Polishing your searches Article in Ariadne magazine, July 1998. UK Internet Sites service that formed the basis of the survey. Published by Springer-Verlag, London.
Software is available .
Paper available in the on-line version of Ariadne . Academic Directory WWW service. Emulating a Secure Multicasting Bus using occam 2.1 with Peter Welch in Proceedings of WoTUG 19 held in March 1996 at University of Nottingham. Published by IOS Press, Amsterdam.