Object Oriented System Models.

@inproceedings{DBLP:conf/pos/Rees87,
  author    = {Owen Rees},
  editor    = {Raymund Carrick and
               Richard Cooper},
  title     = {Object Oriented System Models},
  booktitle = {Persistent Object Systems: Their Design Implementation and Use.
                Proceedings of the Second International Workshop, Appin, Scotland,
               August 25-28, 1987},
  publisher = {University of Glasgow and St. Andrew's},
  volume    = {TR PPRR-44-87},
  year      = {1987},
  pages     = {198-206},
  ee        = {db/conf/pos/Rees87.html},
  crossref  = {DBLP:conf/pos/1987},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}