@inproceedings{Helayel-Neto:20137+,
  author = "Helayel-Neto, Jose Abdalla",
  title = "{The twelve colorful stones as building blocks}",
  doi = "10.22323/1.175.0028",
  booktitle = "Proceedings of 7th International Conference on Mathematical Methods in Physics {\textemdash} PoS(ICMP 2012)",
  year = 2013,
  volume = "175",
  pages = "028"
}