@InProceedings{henderson-EtAl:2013:BEA8,
  author    = {Henderson, John  and  Zarrella, Guido  and  Pfeifer, Craig  and  Burger, John D.},
  title     = {Discriminating Non-Native English with 350 Words},
  booktitle = {Proceedings of the Eighth Workshop on Innovative Use of NLP for Building Educational Applications},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia},
  publisher = {Association for Computational Linguistics},
  pages     = {101--110},
  url       = {http://www.aclweb.org/anthology/W13-1713}
}