@inproceedings{bridges2014:397,
  author      = {Hizume, Akio and Sushida, Takamichi and Yamagishi, Yoshikazu},
  title       = {Voronoi Phyllotaxis Tiling on Fermat Spiral},
  pages       = {397--400},
  booktitle   = {Proceedings of Bridges 2014: Mathematics, Music, Art, Architecture, Culture},
  year        = {2014},
  editor      = {Greenfield, Gary and Hart, George and Sarhangi, Reza},
  isbn        = {978-1-938664-11-3},
  issn        = {1099-6702},
  publisher   = {Tessellations Publishing},
  address     = {Phoenix, Arizona},

  url         = {http://archive.bridgesmathart.org/2014/bridges2014-397.html}
}