@incollection{evans68,
  author	= {Evans, T. G.},
  editor	= {Minsky, M.},
  year		= {1968},
  title		= {A Heuristic Program to Solve Geometric Analogy Problems},
  booktitle	= {Semantic Information Processing},
  publisher	= {The M.I.T. Press},
  address	= {Cambridge, MA}
}