@inproceedings{AHM-context,
  author	= {Hardman, L. and Bulterman, D. C. A. and van Rossum, G.},
  URL		= {http://www.cwi.nl/ftp/mmpapers/ht93.ps.gz},
  urlzip	= {http://www.cwi.nl/ftp/mmpapers/ht93.ps.gz},
  title		= {Links in hypermedia: the requirement for context},
  year		= {1993},
  pages		= {183--191},
  booktitle	= {Proceedings of 1993 International Hypertext Conference}
}