@book{,
  author	= {B. Lenzmann},
  title		= {{Benutzeradaptive und multimodale Interface-Agenten}},
  series	= {Dissertationen der Künstlichen Intelligenz},
  number	= {184},
  publisher	= {Infix},
  address	= {Sankt Augustin},
  year		= {1998}
}