@inproceedings{SchankAbelson75,
  author	= {Schank, Roger C. and Abelson, R. P.},
  month		= sep,
  year		= {1975},
  title		= {Scripts, plans and knowledge},
  booktitle	= {Proceedings of the Fourth International Joint Conference on Artificial Intelligence},
  volume	= {1},
  pages		= {151--157},
  publisher	= {IJCAI},
  address	= {Tbilisi, Georgia, USSR}
}