@Book{SS:2011,
  editor    = {Petrovic, Sasa  and  Selfridge, Ethan  and  Pitler, Emily  and  Osborne, Miles  and  Solorio, Thamar},
  title     = {Proceedings of the ACL 2011 Student Session},
  month     = {June},
  year      = {2011},
  address   = {Portland, OR, USA},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/P11-3}
}