@inproceedings{bridges2005:161,
  author      = {Roelofs, Rinus},
  title       = {Three-Dimensional and Dynamic Constructions Based on Leonardo Grids},
  pages       = {161--168},
  booktitle   = {Renaissance Banff: Mathematics, Music, Art, Culture},
  year        = {2005},
  editor      = {Sarhangi, Reza and Moody, Robert V.},
  isbn        = {0-9665201-6-5},
  issn        = {1099-6702},
  publisher   = {Bridges Conference},
  address     = {Southwestern College, Winfield, Kansas},

  url         = {http://archive.bridgesmathart.org/2005/bridges2005-161.html}
}