On a Unified Concept for a New Generation of Light-Weight Robots. - Johannes Dietrich; Gerd Hirzinger; B. Gombert; Jörg Schott (ISER, 1989)

Preparing a new generation of space robots - A survey of research at DLR. - Gerd Hirzinger; Bernhard Brunner; Klaus Landzettel; Jörg Schott (Robotics Auton. Syst., 1998)

Advances in Orbital Robotics. - Gerd Hirzinger; Bernhard Brunner; Roberto Lampariello; Klaus Landzettel; Jörg Schott; Bernhard-Michael Steinmetz (ICRA, 2000)