@inproceedings{DBLP:conf/oopsla/Rumbaugh87,
  author    = {James E. Rumbaugh},
  title     = {Relations as Semantic Constructs in an Object-Oriented Language},
  booktitle = {OOPSLA},
  year      = {1987},
  pages     = {466-481},
  ee        = {http://doi.acm.org/10.1145/38765.38850},
  crossref  = {DBLP:conf/oopsla/1987},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/oopsla/1987,
  editor    = {Norman K. Meyrowitz},
  title     = {Conference on Object-Oriented Programming Systems, Languages,
               and Applications (OOPSLA'87), Orlando, Florida, USA, October
               4-8, 1987, Proceedings},
  booktitle = {OOPSLA},
  publisher = {ACM},
  year      = {1987},
  isbn      = {0-89791-247-0},
  ee        = {http://dl.acm.org/citation.cfm?id=38765},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}