@inproceedings{bridges2006:79,
  author      = {Demaine, Erik D. and Demaine, Martin L. and Taslakian, Perouz and Toussaint, Godfried T.},
  title       = {Sand Drawings and Gaussian Graphs},
  pages       = {79--88},
  booktitle   = {Bridges London: Mathematics, Music, Art, Architecture, Culture},
  year        = {2006},
  editor      = {Sarhangi, Reza and Sharp, John},
  isbn        = {0-9665201-7-3},
  issn        = {1099-6702},
  publisher   = {Tarquin Publications},
  address     = {London},

  url         = {http://archive.bridgesmathart.org/2006/bridges2006-79.html}
}