@article{tenHackenTschichold2001,
  author	= {Hacken, Pius ten and Tschichold, Cornelia},
  title		= {Word Manager and CALL: structured access to the lexicon as a tool for enriching learners' vocabulary},
  journal	= {ReCALL},
  year		= {2001},
  volume	= {13},
  number	= {1},
  pages		= {121--131}
}