Ground verification of the feasibility of telepresent on-orbit servicing. - Enrico Stoll; Ulrich Walter; Jordi Artigas; Carsten Preusche; Philipp Kremer; Gerd Hirzinger; Jürgen Letschnik; Helena Pongrac (J. Field Robotics, 2009)

On-orbit servicing. - Enrico Stoll; Jürgen Letschnik; Ulrich Walter; Jordi Artigas; Philipp Kremer; Carsten Preusche; Gerd Hirzinger (IEEE Robotics Autom. Mag., 2009)

Three-dimensional radiation pattern measurement strategy for ground station antennas. - Michael Nygaard Pedersen; Jürgen Letschnik; Lars Schelde; Henrik Karstoft; Fritz Schurig; Ulrich Walter (Int. J. Satell. Commun. Netw., 2013)