@techreport{gramdocII-May,
  author	= {komet},
  month		= may,
  year		= {1991},
  title		= {KOMET: Grammar documentation II - Extensions},
  address	= {Darmstadt, Germany},
  institution	= {GMD/Institut f{\"u}r Integrierte Publikations- und Informationssysteme, Darmstadt, West Germany}
}