@inproceedings{key,
  author = {...},
  title = {...},
  year = {2017},
  month = {october},
  booktitle = {Tutorials of the 30th Conference on Graphics, Patterns and Images (SIBGRAPI'17)},
  editor = {M. C. Q. Farias and T. Vieira},
  address = {Niterói, RJ, Brazil},
  url = {http://sibgrapi2017.ic.uff.br/}
}