@incollection{Hutchins-etal86,
  author	= {Hutchins, E. L. and Hollan, J. D. and Norman, D. A.},
  editor	= {D.A., Norman, and Draper, S. W.},
  year		= {1986},
  title		= {Direct Manipulation Interfaces},
  booktitle	= {User Centered System Design: New Perspectives on Human-Computer Interaction},
  pages		= {87--124},
  publisher	= {Lawrence Erlbaum Associates},
  address	= {Hillsdale, NJ and London}
}