@techreport{Lueth-etal94-vitra,
  author	= {Lueth, Tim C. and Laengle, Thomas and Herzog, Gerd and Stopp, Eva and Rembold, Ulrich},
  title		= {KANTRA: human-machine interaction for intelligent robots using natural language},
  institution	= {Sonderforschungsbereich 314 -- K{\"u}nstliche Intelligens - Wissensbasierte Systeme},
  address	= {Universit{\"a}t des Saarlandes},
  type		= {VITRA Report},
  number	= {104},
  year		= {1994}
}