COMan - Coexistence of Object-Oriented and Relational Technology. - Gerti Kappel; Stefan Preishuber; E. Pröll; Stefan Rausch-Schott; Werner Retschitzegger; Roland R. Wagner; Christian Gierlinger (ER, 1994)

VOMDraw - A Tool for Visual Object Modeling. - Gabriele Oberlik; Stefan Preishuber; A Min Tjoa; Roland R. Wagner; Klaus Wolfmayr (CAST, 1994)

Authorization and Access Control in IRO-DB. - Wolfgang Eßmayr; Fritz Kastner; Günther Pernul; Stefan Preishuber; A Min Tjoa (ICDE, 1996)