DBLP BibTeX Record 'journals/sigmod/Codd73a'

@article{DBLP:journals/sigmod/Codd73a,
  author    = {E. F. Codd},
  title     = {Understanding Relations},
  journal   = {FDT - Bulletin of ACM SIGFIDET},
  volume    = {5},
  number    = {2},
  year      = {1973},
  pages     = {5-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}