@inproceedings{bridges2004:71,
  author      = {Spencer, Stanley},
  title       = {An Introduction to the Tiling Properties of the Tangram and Their Application in Two and Three Dimensions},
  pages       = {71--78},
  booktitle   = {Bridges: Mathematical Connections in Art, Music, and Science},
  year        = {2004},
  editor      = {Sarhangi, Reza and S\'{e}quin, Carlo},
  isbn        = {0-9665201-5-7},
  issn        = {1099-6702},
  publisher   = {Bridges Conference},
  address     = {Southwestern College, Winfield, Kansas},

  url         = {http://archive.bridgesmathart.org/2004/bridges2004-71.html}
}