@TechReport{BolligLeuckerNoll01,
  author =	 "Benedikt Bollig and Martin Leucker and Thomas Noll",
  title =	 "Regular {MSC} {L}anguages",
  institution =	 "RWTH Aachen",
  year =	 "2001",
  number =	 "AIB-05-2001",
  month =	 apr,
  url =          "http://aib.informatik.rwth-aachen.de/2001/2001-05.ps.gz",
}