@article{AHM-cacm,
  author	= {Hardman, L. and Bulterman, D. C. A. and Rossum, G.van},
  volume	= {37},
  journal	= {Communications of the ACM},
  title		= {The Amsterdam Hypermedia Model: Adding Time and Context to the Dexter Model},
  number	= {2},
  month		= feb,
  URL		= {http://www.acm.org/pubs/articles/journals/cacm/1994-37-2/p50-hardman/p50-hardman.pdf},
  pdf		= {http://www.acm.org/pubs/articles/journals/cacm/1994-37-2/p50-hardman/p50-hardman.pdf},
  year		= {1994},
  pages		= {50--62}
}