Orman91'

BibTeX

@article{DBLP:journals/is/Orman91,
  author    = {Levent V. Orman},
  title     = {Complexity of database languages},
  journal   = {Inf. Syst.},
  volume    = {16},
  number    = {2},
  year      = {1991},
  pages     = {169-184},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}