@techreport{BFG95Practical,
  author = "Blostein, Dorothea and Fahmy, Hoda and Grbavec, Ann",
  title = "{Practical use of graph rewriting}",
  number = "95-373",
  institution = "Department of Computing and Information Science, Queen's University",
  month = "Jan",
  year = "1995",
  url = "http://ftp.qucis.queensu.ca/TechReports/Reports/1995-373.pdf",
}