@TechReport{HanusZartmann97,
   author=      "Michael Hanus and Frank Zartmann (eds.)",
   title=       "Jahresbericht 1996",
   institution= "RWTH Aachen",
   year=        "1997",
   number=      "AIB-01-1997",
   url=         "http://aib.informatik.rwth-aachen.de/1997/1997-01.ps.gz"
}