BACK TO INDEX BACK TO OTHMAR FREY'S HOMEPAGE

Publications about 'multi-baseline'

Articles in journal or book chapters

  1. Fabio Rocca, Deren Li, Stefano Tebaldini, Mingsheng Liao, Lu Zhang, Fabrizio Lombardini, Timo Balz, Norbert Haala, Xiaoli Ding, and Ramon Hanssen. Three- and Four-Dimensional Topographic Measurement and Validation. Remote Sensing, 13(15), 2021. Keyword(s): SAR Processing, Synthetic Aperture Radar, Interferometry, SAR Interferometry, Persistent Scatterer Interferometry, PSI, SAR Tomography, Tomography, TomoSAR, 3-D imaging, temporal decorrelation, deformation, validation, surface displacements, topographic mapping. [Abstract] [bibtex-entry]


  2. Ibrahim El Moussawi, Dinh Ho Tong Minh, Nicolas Baghdadi, Chadi Abdallah, Jalal Jomaah, Olivier Strauss, Marco Lavalle, and Yen-Nhi Ngo. Monitoring Tropical Forest Structure Using SAR Tomography at L- and P-Band. Remote Sensing, 11(16), 2019. [Abstract] [bibtex-entry]


  3. Matteo Pardini, John Armston, Wenlu Qi, Seung Kuk Lee, Marivi Tello, Victor Cazcarra Bes, Changhyun Choi, Konstantinos P. Papathanassiou, Ralph O. Dubayah, and Lola E. Fatoyinbo. Early Lessons on Combining Lidar and Multi-baseline SAR Measurements for Forest Structure Characterization. Surveys in Geophysics, 40(4):803-837, July 2019. Keyword(s): SAR Processing, Forest, Biomass, LiDAR, SAR Tomography, Multibaseline SAR. [Abstract] [bibtex-entry]


  4. Karina Wilgan, Muhammad Adnan Siddique, Tazio Strozzi, Alain Geiger, and Othmar Frey. Comparison of Tropospheric Path Delay Estimates from GNSS and Space-Borne SAR Interferometry in Alpine Conditions. Remote Sensing, 11(15):1-24, July 2019. Note: 1789. Keyword(s): SAR Processing, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, multi-baseline interferometry, GNSS, GPS, Comparison, tropospheric path delay, Collocation, Kriging. [Abstract] [bibtex-entry]


  5. Michael Schmitt, Muhammad Shahzad, and Xiao Xiang Zhu. Reconstruction of individual trees from multi-aspect TomoSAR data. Remote Sensing of Environment, 165:175-185, 2015. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), Multi-aspect, Trees, 3D reconstruction, Forested areas, Point cloud segmentation. [Abstract] [bibtex-entry]


  6. S. Sauer, L. Ferro-Famil, A. Reigber, and E. Pottier. Polarimetric Dual-Baseline InSAR Building Height Estimation at L-Band. IEEE Geoscience and Remote Sensing Letters, 6(3):408-412, July 2009. Keyword(s): SAR Procerssing, PolInSAR, Polarimetry, InSAR, SAR Interferometry, Dual-Baseline, Multi-baseline SAR, SAR Tomography, Tomography, ESAR, Airborne SAR, Building Height. [Abstract] [bibtex-entry]


  7. Othmar Frey, Felix Morsdorf, and Erich Meier. Tomographic Imaging of a Forested Area By Airborne Multi-Baseline P-Band SAR. Sensors, Special Issue on Synthetic Aperture Radar, 8(9):5884-5896, September 2008. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry. [Abstract] [bibtex-entry]


  8. Fabrizio Lombardini and Matteo Pardini. 3-D SAR Tomography: The Multibaseline Sector Interpolation Approach. IEEE Geoscience and Remote Sensing Letters, 5(4):630-634, Oct. 2008. Keyword(s): SAR Processing, Tomography, SAR Tomography, Multi-baseline SAR, Interpolation, Sector Interpolation, 3-D imaging, SAR Interferometry, Interferometry, InSAR, Spectral Analysis, Electromagnetic Tomography, Signal Sampling. [Abstract] [bibtex-entry]


  9. Pau Prats, J. J. Mallorqui, Andreas Reigber, Rolf Scheiber, and Alberto Moreira. Estimation of the Temporal Evolution of the Deformation Using Airborne Differential SAR Interferometry. IEEE Transactions on Geoscience and Remote Sensing, 46(4):1065-1078, April 2008. Keyword(s): SAR Processing, DInSAR, InSAR, Interferometry, digital elevation models, error analysis, motion compensation, MoComp, radar interferometry, Multi-Baseline SAR, synthetic aperture radar, topography (Earth)DLR, Experimental SAR system, E-SAR, Airborne SAR, German Aerospace Center, agricultural fields, airborne differential synthetic aperture radar interferometry, baseline error, corner reflector, deformation, differential interferometry processor, digital elevation model, image coregistration, residual motion errors, temporal evolution, topography. [Abstract] [bibtex-entry]


  10. G. Fornaro, A. Monti Guarnieri, A. Pauciullo, and Francesco De-Zan. Maximum likelihood multi-baseline SAR interferometry. IEE Proceedings - Radar, Sonar and Navigation, 153(3):279-288, June 2006. Keyword(s): SAR Processing, InSAR, Interferometry. [Abstract] [bibtex-entry]


  11. Fabrizio Lombardini and Fulvio Gini. Model order selection in multi-baseline interferometric radar systems. EURASIP Journal on Advances in Signal Processing, 2005(20):1-14, 2005. [bibtex-entry]


  12. Petre Stoica, Zhisong Wang, and Jian Li. Extended derivations of MUSIC in the presence of steering vector errors. IEEE Transactions on Signal Processing, 53(3):1209-1211, March 2005. Keyword(s): SAR Processing, MUSIC, MUltiple SIgnal Classifier, direction-of-arrival estimation, DOA, robustness to steering vector errors, extended derivation, steering vector error, SAR Tomography, Tomography, multi-baseline SAR, InSAR. [Abstract] [bibtex-entry]


  13. F. Lombardini, M. Montanari, and F. Gini. Reflectivity estimation for multibaseline interferometric radar imaging of layover extended sources. IEEE Transactions on Signal Processing, 51(6):1508-1519, June 2003. Keyword(s): SAR Processing, Tomography, SAR Tomography, Multi-baseline SAR, Interferometry, SAR Interferometry, AWGN, Monte Carlo methods, amplitude estimation, radar imaging, radiowave interferometry, synthetic aperture radar APES, Capon's approach, InSAR, Monte Carlo simulation, RELAX, SAR, additive white Gaussian noise, complex orography, component sinusoidal signal, hybrid spectral estimators, layover extended sources, multibaseline interferometric radar imaging, multibaseline operation, multiplicative complex correlated noise, nonparametric estimators, parametric estimators, reflectivity estimation, spatial frequency estimation, synthetic aperture radar interferometry, terrain height, undistorted multibaseline image formation. [Abstract] [bibtex-entry]


  14. Andreas Reigber, Konstantinos P. Papathanassiou, Shane R. Cloude, and Alberto Moreira. SAR Tomography and Interferometry for the Remote Sensing of Forested Terrain. EUSAR 2000 Special Issue, Frequenz, Zeitschrift für Telekommunikation (Journal of Telecommunications), 55:119-122, March 2001. Keyword(s): SAR Processing, Tomography, SAR Tomography, Interferometry, Multi-Antenna Interferometry, Multi-Baseline Interferometry, 3D imaging, Airborne SAR, L-Band, E-SAR. [Abstract] [bibtex-entry]


  15. Robert N. Treuhaft and Paul R. Siqueira. Vertical structure of vegetated land surfaces from interferometric and polarimetric radar. Radio Science, 35:141-178, 2000. Keyword(s): SAR Processing, InSAR, Interferometry, Pol-InSAR, Multi-Baseline SAR, Vegetation Parameters, Parameter Extraction, Topography, SAR Tomography. [Abstract] [bibtex-entry]


  16. Fuk K. Li and R. M. Goldstein. Studies of Multibaseline Spaceborne Interferometric Synthetic Aperture Radars. IEEE Transactions on Geoscience and Remote Sensing, 28(1):88-97, January 1990. Keyword(s): SAR Processing, SAR Interferometry, Interferometry, InSAR, Multi-Baseline SAR, SAR Tomography, geophysical techniques, radar applications, radar measurement, radiowave interferometry, remote sensing, topography (Earth)INSAR design, Seasat, baseline separations, geophysical technique, multibaseline spaceborne interferometric synthetic aperture radars, performance, phase measurement error model, signal-to-noise ratios, topography measurement capability. [Abstract] [bibtex-entry]


Conference articles

  1. J. Mittermayer, G. Krieger, and A. Moreira. Concepts and Applications of Multi-static MirrorSAR Systems. In 2020 IEEE Radar Conference (RadarConf20), pages 1-6, Sep. 2020. Keyword(s): data acquisition, radar imaging, radar interferometry, remote sensing by radar, synthetic aperture radar, transponders, MirrorLink, radar signal, space transponder manner, transmit satellite, system complexity, data acquisition, SAR product quality, interferometric SAR application example, multistatic MirrorSAR systems, multistatic SAR acquisitions, minimal functionality, receive satellites, Spaceborne radar, Radar, Satellites, Satellite broadcasting, Synthetic aperture radar, Radar antennas, Synchronization, Synthetic Aperture Radar (SAR), MirrorSAR, Multiple Baselines, Synchronization, MirrorLink. [Abstract] [bibtex-entry]


  2. Muhammad Adnan Siddique, Karina Wilgan, Tazzio Strozzi, Alain Geiger, Irena Hajnsek, and Othmar Frey. A Comparison of Tropospheric Path Delays estimated in PSI Processing against Delays Derived from a GNSS Network in the Swiss Alps. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 342-345, 2019. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, multi-baseline interferometry, GNSS, GPS, Comparison, tropospheric path delay, Collocation, Kriging. [Abstract] [bibtex-entry]


  3. Muhammad Adnan Siddique, Tazio Strozzi, Irena Hajnsek, and Othmar Frey. A case study on the correction of atmosphere-induced phase disturbances for SAR tomography in mountainous areas. In Proc. of EUSAR 2018 - 12th European Conference on Synthetic Aperture Radar, pages 1412-1416, 2018. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, multi-baseline interferometry. [Abstract] [bibtex-entry]


  4. Muhammad A. Siddique, Tazio Strozzi, Irena Hajnsek, and Othmar Frey. SAR tomography for spatio-temporal inversion of coherent scatterers in villages of alpine regions. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 6099-6102, 2018. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, multi-baseline interferometry. [Abstract] [bibtex-entry]


  5. A. Moreira, O. Ponce, M. Nannini, M. Pardini, P. Prats, A. Reigber, K. Papathanassiou, and G. Krieger. Multi-baseline spaceborne SAR imaging. In Proc. IEEE Int. Geoscience and Remote Sensing Symp. (IGARSS), pages 1420-1423, July 2016. Keyword(s): geophysical image processing, holography, radar imaging, radar interferometry, radar polarimetry, remote sensing by radar, spaceborne radar, synthetic aperture radar, HoloSAR, PolInSAR, TomoSAR, across-track interferometry, along- track interferometry, glacier movement, ground deformation, holography SAR, multi-baseline imaging capability, multi-dimensional data space, multibaseline spaceborne SAR imaging, multistatic SAR configuration, ocean current, polarimetric SAR interferometry, spaceborne SAR development, spaceborne SAR image product, sparse array, surface topography measurement, tomography SAR, Interferometry, Radar imaging, Radar polarimetry, Spaceborne radar, Synthetic aperture radar, Tomography, Multi-Baseline Imaging, Polarimetric SAR Interferometry, Polarimetry, SAR Holography, SAR Tomography, Synthetic Aperture Radar (SAR). [bibtex-entry]


  6. A. Moreira, O. Ponce, M. Nannini, M. Pardini, and P. Prats. Multi-baseline imaging: A vision for spaceborne SAR. In Proc. 16th Int. Radar Symp. (IRS), pages 20-29, June 2015. Keyword(s): radar interferometry, remote sensing by radar, spaceborne radar, synthetic aperture radar, topography (Earth), across-track interferometry, along-track interferometry, glacier movement, ground deformation measurement, holography SAR, image product, multibaseline imaging, multidimensional data space, multistatic SAR configuration, ocean current measurement, polarimetric SAR interferometry, spaceborne SAR system development, sparse array, surface topography measurement, tomography SAR, Imaging, Interferometry, Radar imaging, Radar polarimetry, Spaceborne radar, Synthetic aperture radar. [bibtex-entry]


  7. Othmar Frey, Irena Hajnsek, and Urs Wegmuller. Spaceborne SAR Tomography in Urban Areas. In Proc. IEEE Int. Geosci. Remote Sens. Symp., Melbourne, AUS, pages 69-72, July 2013. Keyword(s): SAR Processing, SAR Tomography, Tomography, SVD, truncated SVD, tikhonov regularization, PSI, Persistent Scatterer Interferometry, Spaceborne SAR, InSAR, DInSAR, geophysical image processing, geophysical techniques, radar interferometry, synthetic aperture radar, Bucarest, PanGEO, ENVISAT, ASAR, ENVISAT ASAR, interferometric technique, Differential SAR Interferometry, single polarization SAR, terrain deformation phenomena, Coherence, Correlation, Interferometry, Synthetic aperture radar, Vectors, Coherence, Terrain deformation, multi-baseline. [Abstract] [bibtex-entry]


  8. D. Monells, R. Iglesias, Jordi J. Mallorqui, X. Fabregas, and C. Lopez-Martinez. Phase quality optimization in Orbital Differential SAR Interferometry with fully polarimetric data. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 1864-1867, 2012. Keyword(s): SAR Processing, PSI, Persistent Scatterer Interferometry, Spaceborne SAR, InSAR, DInSAR, Polarimetry, geophysical image processing, geophysical techniques, optimisation, radar interferometry, radar polarimetry, synthetic aperture radar, Barcelona, DInSAR processing, Fine Quad-Pol Radarsat-2 acquisitions, Radarsat-2, Spain, TerraSAR-X, analytical techniques, fully polarimetric data, interferometric technique, orbital Differential SAR Interferometry, phase quality optimization, polarimetric technique, single polarization SAR, terrain deformation phenomena, Coherence, Correlation, Histograms, Interferometry, Optimization, Synthetic aperture radar, Vectors, Coherence optimization, Pol-DInSAR, Terrain deformation, multi-baseline. [Abstract] [bibtex-entry]


  9. Othmar Frey and Erich Meier. A Comparative Tomographic Evaluation of Airborne Multi-Baseline SAR Data at P- and L-Band. In IEEE Int. Geosci. and Remote Sens. Symp., 2009. Note: Invited Talk, Abstract. [bibtex-entry]


  10. Stefano Tebaldini and Fabio Rocca. Polarimetric Options for SAR Tomography of Forested Areas. In Proc. of PolInSAR - 4th Int. Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry, Frascati, Italy, January 2009. ESA SP-668. Keyword(s): SAR Processing, SAR Tomography, Tomography, E-SAR, P-Band. [Abstract] [bibtex-entry]


  11. Othmar Frey and Erich Meier. Combining Time-Domain Back-Projection and Capon Beamforming for Tomographic SAR Processing. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 445-448, 2008. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry, Capon, Capon Beamforming, Superresolution. [Abstract] [bibtex-entry]


  12. Othmar Frey and Erich Meier. Tomographic Focusing by Combining Time-Domain Back-Projection and Multi-Looking Based Focusing Techniques. In Proc. EUSAR 2008 - 7th European Conference on Synthetic Aperture Radar, pages 73-76, 2008. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry, Capon, Capon Beamforming, Superresolution. [Abstract] [bibtex-entry]


  13. Stefano Tebaldini, Fabio Rocca, and A Monti-Guarnieri. Model Based SAR Tomography of Forested Areas. In IEEE International Geoscience and Remote Sensing Symposium, volume 2, pages 593-596, July 2008. Keyword(s): SAR Processing, SAR Tomography, Tomography, E-SAR, P-Band. [Abstract] [bibtex-entry]


  14. Wang Bin, Wang Yanping, Hong Wen, and Wu Yirong. Simulation research of parametric methods for multi-baseline SAR tomography. In Synthetic Aperture Radar, 2007. APSAR 2007. 1st Asian and Pacific Conference on, pages 203-206, November 2007. [bibtex-entry]


  15. Othmar Frey, Felix Morsdorf, and Erich Meier. Tomographic Processing of Multi-Baseline P-Band SAR Data for Imaging of a Forested Area. In Proc. IEEE Int. Geosci. Remote Sens. Symp., 2007. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry. [Abstract] [bibtex-entry]


  16. Othmar Frey, Felix Morsdorf, and Erich Meier. Tomographic SAR Imaging of a Forested Area by Time-Domain Back-Projection. In M.E. Schaepman, S. Liang, N.E. Groot, and M. Kneubühler, editors, 10th Intl. Symposium on Physical Measurements and Spectral Signatures in Remote Sensing, volume XXXVI, 2007. Intl. Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry. [Abstract] [bibtex-entry]


  17. M. Lachaise, Michael Eineder, and Thomas Fritz. Multi baseline SAR acquisition concepts and phase unwrapping algorithms for the TanDEM-X mission. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 5272-5276, July 2007. Keyword(s): TerraSAR-X, TanDEM-X, AD 2009, HRTI-3 specifications, TanDEM-X mission, TerraSAR-X add-on for Digital Elevation Measurement, bistatic mode interferometric SAR data, controlled helix two satellite configuration, digital elevation model, global DEM, global land surface, multibaseline SAR acquisition concept, multibaseline SAR phase unwrapping algorithm, artificial satellites, data acquisition, digital elevation models, geophysical signal processing, radar interferometry, radar signal processing, remote sensing by radar, spaceborne radar, synthetic aperture radar. [Abstract] [bibtex-entry]


  18. Tan Wei Xian, Hong Wen, Wang Yan-ping, and Wu Yi-rong. A novel imaging approach for multi-baseline SAR tomography. In Synthetic Aperture Radar, 2007. APSAR 2007. 1st Asian and Pacific Conference on, pages 423-426, November 2007. [bibtex-entry]


  19. Fabrizio Lombardini and Andreas Reigber. Adaptive spectral estimation for multibaseline SAR tomography with airborne L-band data. In IEEE International Geoscience and Remote Sensing Symposium, IGARSS '03., volume 3, pages 2014-2016, 2003. Keyword(s): SAR Processing, Tomography, SAR Tomography, Capon spectral estimator, adaptive Capon spectral estimator, spectral estimation, multibaseline 3D SAR focusing, multi-baseline SAR, InSAR, Multibaseline InSAR, Forestry. [Abstract] [bibtex-entry]


  20. P. Lombardo and F. Lombardini. Multi-baseline SAR interferometry for terrain slope adaptivity. In Radar Conference, 1997., IEEE National, pages 196-201, May 1997. [bibtex-entry]


  21. J. Homer, I.D. Longstaff, and G. Callaghan. High resolution 3-D SAR via multi-baseline interferometry. In IEEE International Geoscience and Remote Sensing Symposium, IGARSS'96, volume 1, pages 796-798, May 1996. Keyword(s): SAR Processing, SAR Tomography, Tomography, geophysical techniques, radar imaging, remote sensing by radar, spaceborne radar, synthetic aperture radar, topography (Earth)3D imagery, InSAR, Multi-baseline Interferometry, SAR imaging, azimuth resolving capability, geophysical measurment technique, interferometric SAR, land surface topography, node aperture, normal-to-slant-range direction, procedural outline, radar remote sensing, terrain height, terrain mapping, theoretical analysis, three dimensional SAR method. [Abstract] [bibtex-entry]


  22. P. Pasquali, C. Prati, F. Rocca, M. Seymour, J. Fortuny, E. Ohlmer, and A.J. Sieber. A 3-D SAR experiment with EMSL data. In Geoscience and Remote Sensing Symposium, 1995. IGARSS '95. 'Quantitative Remote Sensing for Science and Applications', International, volume 1, pages 784-786, 1995. Keyword(s): SAR Processing, Tomography, SAR Tomography, radar applications, radar imaging, remote sensing by radar, synthetic aperture radar, topography (Earth), EMSL, European Microwave Signature Laboratory o, JRC, geodesy, geophysical measurement technique, horizontal slice, interferometric SAR image, land surface topography, multi-baseline SAR, radar remote sensing, target reconstruction, terrain mapping, three dimensional structure. [Abstract] [bibtex-entry]


BACK TO INDEX BACK TO OTHMAR FREY'S HOMEPAGE

Disclaimer:

Please note that access to full text PDF versions of papers is restricted to the Chair of Earth Observation and Remote Sensing, Institute of Environmental Engineering, ETH Zurich.
Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright.

This collection of SAR literature is far from being complete.
It is rather a collection of papers which I store in my literature data base. Hence, the list of publications under PUBLICATIONS OF AUTHOR'S NAME should NOT be mistaken for a complete bibliography of that author.



Last modified: Fri Feb 24 14:24:07 2023
Author: Othmar Frey, Earth Observation and Remote Sensing, Institute of Environmental Engineering, Swiss Federal Institute of Technology - ETH Zurich .

This document was translated from BibTEX by bibtex2html