LehmannM92'

BibTeX

@article{DBLP:journals/ai/LehmannM92,
  author    = {Daniel J. Lehmann and
               Menachem Magidor},
  title     = {What does a Conditional Knowledge Base Entail?},
  journal   = {Artif. Intell.},
  volume    = {55},
  number    = {1},
  year      = {1992},
  pages     = {1-60},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}