@TechReport{WFLP04,
  author =       "Herbert Kuchen (ed.)",
  title =        "WFLP'04 13th International Workshop on Functional and
                 (Constraint) Logic Programming",
  institution =  "RWTH Aachen",
  year =         "2004",
  number =       "AIB-2004-05",
  month =        jun,
  url =          "http://aib.informatik.rwth-aachen.de/2004/2004-05.ps.gz",
}