Allen83'

BibTeX

@article{DBLP:journals/cacm/Allen83,
  author    = {James F. Allen},
  title     = {Maintaining Knowledge about Temporal Intervals},
  journal   = {Commun. ACM},
  volume    = {26},
  number    = {11},
  year      = {1983},
  pages     = {832-843},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}