Beschreibung von Bürodokumenten durch kontextsensitive Merkmale. - Ralph Holbein; Bernd Teufel (ISI, 1991)

Reaching out for Quality: Considering Security Requirements in the Design of Information Systems - Hubert F. Hofmann; Ralph Holbein (CAiSE, 1994)

Informationsmissbrauch - Ein Sicherheitsproblem und ein Lösungsansatz für die Informationsverarbeitung in Unternehmen. - Ralph Holbein; Stephanie Teufel (ISI, 1994)

Sicherheit als Qualitätsmerkmal von IT-Systemen in Unternehmen. - Ralph Holbein; Hubert F. Hofmann (Informationstechnik Tech. Inform., 1994)

A Formal Security Design Approach for Information Exchange in Organisations. - Ralph Holbein; Stephanie Teufel; Kurt Bauknecht (DBSec, 1995)

The use of business process models for security design in organisations. - Ralph Holbein; Stephanie Teufel; Kurt Bauknecht (SEC, 1996)

Security classification for documents. - Jan H. P. Eloff; Ralph Holbein; Stephanie Teufel (Comput. Secur., 1996)

Secure information exchange in organisations: an approach for solving the information misuse problem. - Ralph Holbein (Shaker, 1996)

A comprehensive need-to-know access control system and its application for medical information systems. - Ralph Holbein; Stephanie Teufel; Othmar Morger; Kurt Bauknecht (SEC, 1997)

IT-Security in Electronic Commerce: From Cost to Value Driver. - Ralph Holbein; Thomas Gaugler (DEXA Workshop, 1999)