The Tracking, Occultation and Ranging (TOR) instrument onboard TerraSAR-X and on TanDEM-X. - Markus Rothacher; Byron D. Tapley; Cristoph Reigber; Rolf König; Carsten Falck; Ludwig Grunwaldt; Wolfgang Koehler; Franz-Heinrich Massmann; Grzegorz Michalak (IGARSS, 2007)

Precise Orbit and Baseline Determination for TerraSAR-X and TanDEM-X. - Yongjin Moon; Rolf König; Grzegorz Michalak; Markus Rothacher (IGARSS (2), 2008)

The GFZ GRACE RL06 Monthly Gravity Field Time Series: Processing Details and Quality Assessment. - Christoph Dahle; Michael Murböck; Frank Flechtner; Henryk Dobslaw; Grzegorz Michalak; Karl-Hans Neumayer; Oleh Abrykosov; Anton Reinhold; Rolf König; Roman Sulzbach; Christoph Förste (Remote. Sens., 2019)

Future GNSS Infrastructure for Improved Geodetic Reference Frames. - Susanne Glaser; Grzegorz Michalak; Rolf König; Benjamin Männel; Harald Schuh (ENC, 2020)

Precise Orbit Determination of the Kepler Navigation System - a Simulation Study. - Grzegorz Michalak; Karl-Hans Neumayer; Rolf König (ENC, 2020)

Optical Technologies for Future Global Navigation Satellite Systems. - Tobias D. Schmidt; Thilo Schuldt; Grzegorz Michalak; Janis Surof; Juraj Poliak; Gabriele Giorgi; Claus Braxmaier; Michael Meurer; Christoph Günther 001 (PLANS, 2023)