Making Distributed Multimedia Systems Secure: The Switchboard Approach. - Chris Zimmermann (ACM SIGOPS Oper. Syst. Rev., 1994)

It's your choice-on the design and implementation of a flexible metalevel architecture. - Chris Zimmermann; Vinny Cahill (CDS, 1996)

Reflections on an Adaptable Real-Time Metalevel Architecture. - Chris Zimmermann (J. Parallel Distributed Comput., 1996)

A Note on Before and After Metamethods. - Chris Zimmermann (ACM SIGPLAN Notices, 1997)