@Book{ENLG:2013,
  editor    = {Albert Gatt  and  Horacio Saggion},
  title     = {Proceedings of the 14th European Workshop on Natural Language Generation},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W13-21}
}