Paper  bibtex   

@InProceedings{	  ocal03b,
  author	= "Thomas A. O'Callaghan and James Popple and Eric McCreath",
  title		= "{SHYSTER-MYCIN}: A Hybrid Legal Expert System",
  booktitle	= "Proceedings of the Ninth {International Conference on
		  Artificial Intelligence and Law (ICAIL-03)}",
  address	= "Edinburgh, Scotland",
  pages		= "103--4",
  month		= "24--28~June",
  year		= 2003,
  publisher	= "ACM",
  isbn		= "1~58113~747~8",
  url		= "http://cs.anu.edu.au/people/James.Popple/publications/papers/icail-03/icail-03.pdf"
}