Meta objects for access control: extending capability-based security. - Thomas Riechmann; Franz J. Hauck (NSPW, 1997)

Meta Objects for Access Control: Role-Based Principals. - Thomas Riechmann; Jürgen Kleinöder (ACISP, 1998)

Transitiver Schutz in Java durch Sicherheitsmetaobjekte. - Thomas Riechmann; Franz J. Hauck; Jürgen Kleinöder (Java-Informations-Tage, 1998)

Meta Objects for Access Control: a Formal Model for Role-Based Principals. - Thomas Riechmann; Franz J. Hauck (Workshop on New Security Paradigms, 1998)

Sicherheit in verteilten, objektorientierten Systemen. - Thomas Riechmann (1999)