@Book{ENLG:2009,
  editor    = {Emiel Krahmer  and  Mari\"{e}t Theune},
  title     = {Proceedings of the 12th European Workshop on Natural Language Generation (ENLG 2009)},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W09-06}
}