@incollection{AHM-Grosky,
  author	= {Hardman, L. and Bulterman, D. C. A.},
  editor	= {Grosky, William I. and Jain, Ramesh and Mehrotra, Rajiv},
  publisher	= {Prentice Hall},
  URL		= {http://www.cwi.nl/ftp/mmpapers/DocMod.ps.gz},
  urlzip	= {http://www.cwi.nl/ftp/mmpapers/DocMod.ps.gz},
  booktitle	= {Handbook of Multimedia Information Management},
  title		= {Document Model Issues for Hypermedia},
  year		= {1997},
  pages		= {39--68}
}