@inproceedings{DBLP:conf/ijcai/DrakengrenB97,
  author    = {Thomas Drakengren and
               Marcus Bj{\"a}reland},
  title     = {Reasoning about Action in Polynomial Time},
  booktitle = {IJCAI},
  year      = {1997},
  pages     = {1447-1453},
  crossref  = {DBLP:conf/ijcai/1997},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ijcai/1997,
  title     = {Proceedings of the Fifteenth International Joint Conference
               on Artificial Intelligence, IJCAI 97, Nagoya, Japan, August
               23-29, 1997, 2 Volumes},
  booktitle = {IJCAI},
  publisher = {Morgan Kaufmann},
  year      = {1997},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}