Codd79'

BibTeX

@article{DBLP:journals/tods/Codd79,
  author    = {E. F. Codd},
  title     = {Extending the Database Relational Model to Capture More
               Meaning},
  journal   = {ACM Trans. Database Syst.},
  volume    = {4},
  number    = {4},
  year      = {1979},
  pages     = {397-434},
  ee        = {http://doi.acm.org/10.1145/320107.320109, db/journals/tods/Codd79.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}