@InProceedings{rello-ilisei:2009:RANLPStud,
  author    = {Rello, Luz  and  Ilisei, Iustina},
  title     = {A Rule-Based Approach to the Identification of Spanish Zero Pronouns},
  booktitle = {Proceedings of the Student Research Workshop},
  month     = {September},
  year      = {2009},
  address   = {Borovets, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {60--65},
  url       = {http://www.aclweb.org/anthology/R09-2011}
}