Verification of the TerraSAR-X system. - Josef Mittermayer; Marwan Younis; Benjamin Bräutigam; Thomas Fritz 002; Ralph Kahle; Robert Metzig; Birgit Schättler (IGARSS, 2007)

The joint TerraSAR-X / TanDEM-X ground segment. - Birgit Schättler; Ralph Kahle; Robert Metzig; Ulrich Steinbrecher; Manfred Zink (IGARSS, 2011)

Quality Assessment of Surface Current Fields From TerraSAR-X and TanDEM-X Along-Track Interferometry and Doppler Centroid Analysis. - Roland Romeiser; Hartmut Runge; Steffen Suchandt; Ralph Kahle; Cristian Rossi; Paul S. Bell (IEEE Trans. Geosci. Remote. Sens., 2014)

Tandem-L: Project Status and Main Findings of the Phase Bl Study. - Alberto Moreira; Markus Bachmann; Wolfgang Balzer; Daniela Borla Tridon; Erhard Diedrich; Thomas Fritz 002; Christo Grigorov; Ralph Kahle; Gerhard Krieger; Irena Hajnsek; Sigurd Huber; Hannah Joerg; et al. (IGARSS, 2018)

Ten Years of TerraSAR-X Operations. - Stefan Buckreuss; Birgit Schättler; Thomas Fritz 002; Josef Mittermayer; Ralph Kahle; Edith Maurer; Johannes Böer; Markus Bachmann; Falk Mrowka; Egbert Schwarz; Helko Breit; Ulrich Steinbrecher (Remote. Sens., 2018)

TanDEM-X: 10 Years of Formation Flying Bistatic SAR Interferometry. - Manfred Zink; Alberto Moreira; Irena Hajnsek; Paola Rizzoli; Markus Bachmann; Ralph Kahle; Thomas Fritz 002; Martin Huber 002; Gerhard Krieger; Marie Lachaise; Michele Martone; Edith Maurer; et al. (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021)

TerraSAR-X and TanDEM-X After 13 Years of Joint SAR and DEM Mission. - Markus Bachmann; Allan Bojarski; Johannes Böer; Stefan Buckreuss; Christo Grigorov; Irena Hajnsek; Ralph Kahle; Thomas Kraus; Patrick Klenk; Kay Müller; Ulrich Steinbrecher; Maximilian Schandri; et al. (IGARSS, 2023)