DateC74'

@inproceedings{DBLP:conf/sigmod/DateC74,
  author    = {C. J. Date and
               E. F. Codd},
  title     = {The Relational and Network Approaches: Comparison of the
               Application Programming Interfaces},
  booktitle = {SIGMOD Workshop, Vol. 2},
  year      = {1974},
  pages     = {83-113},
  ee        = {http://doi.acm.org/10.1145/800297.811532},
  crossref  = {DBLP:conf/sigmod/74},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/sigmod/74,
  editor    = {Randall Rustin},
  title     = {Proceedings of 1974 ACM-SIGMOD Workshop on Data Description,
               Access and Control, Ann Arbor, Michigan, May 1-3, 1974,
               2 Volumes},
  publisher = {ACM},
  year      = {1974},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}