GrantLL93'

@article{DBLP:journals/jiis/GrantLL93,
  author    = {John Grant and
               Tok Wang Ling and
               Mong-Li Lee},
  title     = {ERL: Logic for Entity-Relationship Databases},
  journal   = {J. Intell. Inf. Syst.},
  volume    = {2},
  number    = {2},
  year      = {1993},
  pages     = {115-147},
  ee        = {http://dx.doi.org/10.1007/BF00965874},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}