@article{BostonHaleVasishthetal.2011,
  author    = {Marisa Ferrara Boston and John T. Hale and Shravan Vasishth and Reinhold Kliegl},
  title     = {Parallel processing and sentence comprehension difficulty},
  journal   = {Language and cognitive processes},
  volume    = {26},
  number    = {3},
  pages     = {301 -- 349},
  doi       = {10.1080/01690965.2010.492228},
  year      = {2011},
}