@TechReport{RULE04,
  author =       "Slim Abdennadher and Christophe Ringeissen (eds.)",
  title =        "RULE'04 Fifth International Workshop on Rule-Based
  Programming",
  institution =  "RWTH Aachen",
  year =         "2004",
  number =       "AIB-2004-04",
  month =        jun,
  url =          "http://aib.informatik.rwth-aachen.de/2004/2004-04.ps.gz",
}