@inproceedings{bridges2013:279,
  author      = {Faniry Razafindrazaka and Konrad Polthier   },
  title       = {The 6-ring},
  pages       = {279--286},
  booktitle   = {Proceedings of Bridges 2013: Mathematics, Music, Art, Architecture, Culture},
  year        = {2013},
  editor      = {George W. Hart and Reza Sarhangi},
  isbn        = {978-1-938664-06-9},
  issn        = {1099-6702},
  publisher   = {Tessellations Publishing},
  address     = {Phoenix, Arizona},
 
  note        = {Available online at \url{http://archive.bridgesmathart.org/2013/bridges2013-279.html}}
}