Book Detection and Grasping in Library Scenario. - Stefan Heyer; Bashar Enjarini; Christos Fragkopoulos; Axel Graeser (ROBOTIK, 2012)

A Supportive FRIEND at Work: Robotic Workplace Assistance for the Disabled. - Axel Gräser; Torsten Heyer; Leila Fotoohi; Uwe Lange; Henning Kampe; Bashar Enjarini; Stefan Heyer; Christos Fragkopoulos; Danijela Ristic-Durrant (IEEE Robotics Autom. Mag., 2013)