TerraSAR-X pixel localization accuracy: Approaching the centimeter level. - Michael Eineder; Ulrich Balss; Christoph Gisinger; Stefan Hackel; Xiaoying Cong; Franz-Georg Ulmer; Thomas Fritz 002 (IGARSS, 2014)

Absolute 4-D positioning of persistent scatterers with TerraSAR-X by applying geodetic stereo SAR. - Christoph Gisinger; Stefan Gernhardt; Stefan Auer; Ulrich Balss; Stefan Hackel; Roland Pail; Michael Eineder (IGARSS, 2015)

Long-Term Validation of TerraSAR-X and TanDEM-X Orbit Solutions with Laser and Radar Measurements. - Stefan Hackel; Christoph Gisinger; Ulrich Balss; Martin Wermuth; Oliver Montenbruck (Remote. Sens., 2018)