@article{BostonHaleKliegletal.2008,
  author    = {Boston, Marisa Ferrara and Hale, John and Kliegl, Reinhold and Patil, Umesh and Vasishth, Shravan},
  title     = {Parsing costs as predictors of reading difficulty : an evaluation using the Potsdam Sentence Corpus},
  issn      = {1995-8692},
  year      = {2008},
  language  = {en}
}
@article{BostonHaleKliegletal.2008,
  author    = {Boston, Marisa Ferrara and Hale, John and Kliegl, Reinhold and Vasishth, Shravan},
  title     = {Surprising parser actions and reading difficulty},
  year      = {2008},
  language  = {en}
}