@article{BostonHaleKliegletal.2008,
  author    = {Marisa Ferrara Boston and John Hale and Reinhold Kliegl and Umesh Patil and Shravan Vasishth},
  title     = {Parsing costs as predictors of reading difficulty : an evaluation using the Potsdam Sentence Corpus},
  url       = {http://www.jemr.org/},
  year      = {2008},
}