@inproceedings{key,
  author = {...},
  title = {...},
  year = {2017},
  month = {october},
  booktitle = {Workshop on Pattern Recognition for Earth Observation (WPREO)
               in the 30th Conference on Graphics, Patterns and Images (SIBGRAPI'17)},
  editor = {J. dos Santos and R. Feitosa and T. Körting},
  address = {Niterói, RJ, Brazil},
  url = {http://sibgrapi2017.ic.uff.br/}
}