@InProceedings{landauer-kireyev-panaccione:2009:NLP-Education,
  author    = {Landauer, Thomas  and  Kireyev, Kirill  and  Panaccione, Charles},
  title     = {A New Yardstick and Tool for Personalized Vocabulary Building},
  booktitle = {Proceedings of the Fourth Workshop on Innovative Use of NLP for Building Educational Applications},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {27--33},
  url       = {http://www.aclweb.org/anthology/W09-2104}
}