A Concept for the Application of Augmented Reality in Manual Gas Metal Arc Welding. - Petra Tschirner; Bernd Hillers; Axel Gräser (ISMAR, 2002)

A Step Forward in Manual Welding: Demonstration of Augmented Reality Helmet. - Dorin Aiteanu; Bernd Hillers; Axel Gräser (ISMAR, 2003)