@inproceedings{bridges2010:17,
  author      = {John A. Hiigli},
  title       = {Intertransformability},
  pages       = {497--498},
  booktitle   = {Proceedings of Bridges 2010: Mathematics, Music, Art,
                 Architecture, Culture},
  year        = {2010},
  editor      = {George W. Hart and Reza Sarhangi},
  isbn        = {978-0-98460-420-3},
  issn        = {1099-6702},
  publisher   = {Tessellations Publishing}
}