A Service for Administering Management Information - VPN Inter-Domain Management Support using X.500 and X.700. - Ursula Meyer zu Natrup; Michael Tschichholz; Susanne Waßerroth (Integrated Network Management, 1993)

Static and Dynamic Semantics of Entity-Relationship Models Based on Algebraic Methods. - Ingo Claßen; Michael Löwe; Susanne Waßerroth; Jan Wortmann (GI Jahrestagung, 1994)