@article{deFelicePulman2009b,
  title = "Automatic Detection of Preposition Errors in Learner Writing",
  author = "De Felice and Rachele and Pulman, Stephen",
  year = "2009",
  journal = "Calico (The Computer Assisted Language Instruction Consortium) ",
  number = "3",
  pages = "512-528",
  url = "https://www.calico.org",
  volume = "26",
}