Management Of Virtual Enterprises: A Case Study Of German Rapid Prototyping SMES. - Frank Wagner; Jochen Eichert; Roman Schirra (PRO-VE, 2003)

iTeach: Ergonomic Evaluation Using Avatars in Immersive Environments. - Hilko Hoffmann; Roman Schirra; Phil Westner; Katrin Meinken; Manfred Dangelmaier (HCI (5), 2007)