@inproceedings{Graf95,
  author	= {Graf, Winfried H.},
  year		= {1995},
  title		= {The constraint-based layout framework LayLab and its applications},
  booktitle	= {Proceedings of ACM Workshop on Effective Abstractions in Multimedia, Layout and Interaction},
  address	= {San Francisco, California.},
  organization	= {ACM},
  URL		= {http://www.cs.tufts.edu/$~$isabel/mmwsproc.html},
  urlpage	= {http://www.cs.tufts.edu/$~$isabel/mmwsproc.html},
}