Paper  bibtex   

@TechReport{	  ocal03a,
  author	= "Thomas A. O'Callaghan and James Popple and Eric McCreath",
  title		= "Building and Testing the {SHYSTER-MYCIN} Hybrid Legal
		  Expert System",
  institution	= "Department of Computer Science, Faculty of Engineering and
		  Information Technology, The Australian National University",
  address	= "Canberra",
  number	= "{TR}-{CS}-03-01",
  month		= "May",
  year		= 2003,
  url		= "http://cs.anu.edu.au/people/James.Popple/publications/reports/tr-cs-03-01.pdf"
}