ODA: a document architecture for open systems. - R. Hunter; Per Kaijser; F. Nielsen (Comput. Commun., 1989)

Surveillance and Protection in IBC Management: The Applicability of Two RACE Security Projects - SecureNet II and SESAME. - Dimitris Androutsopoulos; Per Kaijser; Sokratis K. Katsikas; Kåre Presttun; Don Salmon; Paul G. Spirakis (IS&N, 1994)

Security protection for parts of a data structure. - Per Kaijser (Comput. Commun., 1994)

SESAME: The solution to security for open distributed systems. - Per Kaijser; Tom Parker; Denis Pinkas (Comput. Commun., 1994)

A Review of the SESAME Development. - Per Kaijser (ACISP, 1998)

On Authentication, Digital Signatures and Signature Laws. - Per Kaijser (Communications and Multimedia Security, 1999)

Quantenphysik und die Zukunft der Kryptographie. - Per Kaijser; Wernhard Markwitz (Datenschutz und Datensicherheit, 2008)