Breu, M., Anne Brüggemann-Klein, C. Haber, and R. Weber. The MeDoc Distributed Electronic Library - Accounting and Security Aspects In Electronic Publishing '97 - New Models and Opprtunities: Proceedings of an ICCC/IFIP Conference (Preliminary Version). ELPUB. Canterbury, UK: University of Kent, 1997.

Breu, M., Anne Brüggemann-Klein, C. Haber, and R. Weber. "The MeDoc Distributed Electronic Library: Accounting and Security Aspects." In Electronic Publishing '97 - New Models and Opprtunities: Proceedings of an ICCC/IFIP Conference. ELPUB. Canterbury, UK: University of Kent, 1997.