@article{Quillian67,
  author	= {Quillian, Ronald},
  year		= {1967},
  title		= {Word Concepts: A Theory and Simulation of Some Basic Semantic Capabilities},
  journal	= {Behavioral Science},
  volume	= {12},
  pages		= {410--430},
  note		= {Reprinted in Brachman, Ronald J. and Levesque, Hector J. (eds.) \em Readings in Knowledge Representation, Los Altos: Morgan Kaufman}
}