@inproceedings{ Scherl93-KnowProdAct,
  publisher = {AAAI Press/The MIT Press}
}
,
  title = {The Frame Problem and Knowledge-Producing Actions}
}
,
  url = {Scherl93-KnowProdAct.pdf}
}
,
  booktitle = {Proceedings of AAAI-93}
}
,
  author = {Scherl, R. and Levesque, Hector}
}
,
  year = {1993}
}
,
  month = {July}
}
,
  key = {CogRobo}
}
,
  address = {Washington, DC}
}
,
  pages = {689--695}
}