Ullman85'

BibTeX

@inproceedings{DBLP:conf/db-workshops/Ullman85,
  author    = {Jeffrey D. Ullman},
  title     = {Logic and Database Systems},
  booktitle = {On Knowledge Base Management Systems (Islamorada)},
  year      = {1985},
  pages     = {121-123},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}