@techreport{Teich-etal91-aspect,
  author	= {Teich, Elke and Henschel, Renate and H{\"o}sner, Iris and Klimonow, Gerda},
  year		= {1991},
  title		= {Aspect choice in a fragment of a systemic grammar of Russian},
  note		= {Paper presented at the Eighteenth International Systemic Congress, Tokyo, Japan.},
  address	= {Darmstadt, Germany},
  institution	= {Also available as technical report of GMD/Institut f{\"u}r Integrierte Publikations- und Informationssysteme, Darmstadt, West Germany}
}