@proceedings{DBLP:conf/er/85,
  editor    = {Peter P. Chen},
  title     = {Entity-Relationship Approach: The Use of ER Concept in Knowledge
               Representation, Proceedings of the Fourth International
               Conference on Entity-Relationship Approach, Chicago, Illinois,
               USA, 29-30 October 1985},
  publisher = {IEEE Computer Society and North-Holland},
  year      = {1985},
  isbn      = {0-444-87951-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}