Distribution and Persistence. - Francis Wai (POS, 1987)

Distributed concurrent persistent languages: an experimental design and implementation. - Francis Wai (1988)

Distributed PS-algol. - Francis Wai (POS, 1989)

An Implementation of a Co-operative Locking Scheme for a Persistent Programming Language. - Richard Cooper 001; Andrew Roberts; Francis Wai (POS, 1990)