Passive joint-sensor applications for parallel robots. - Jürgen Hesselbach; Carlos Cezar Bier; Ingo T. Pietsch; Nicolae Plitea; Stephanus Büttgenbach; Alexander Wogersien; Jens Güttler (IROS, 2004)

Design and Implementation of New Sensors and Their Integration in Joints. - Maren Ramona Kirchhoff; Jens Güttler; Alexander Wogersien; Nenad Pavlovic; Robert Otremba; Hans-Joachim Franke; Stephanus Büttgenbach (Robotic Systems for Handling and Assembly, 2011)