@inproceedings{DEJONG83-ML,
  author	= {DeJong, G. F.},
  year		= {1983},
  title		= {An Approach to Learning from Observation},
  booktitle	= {Proceedings of the 1983 International Machine Learning Workshop},
  pages		= {171--176},
  address	= {Champaign-Urbana, Illinois}
}