@INPROCEEDINGS{GargGrinspung07CubicShells,
  author = {Akash Garg and Eitan Grinspun and Max Wardetzky and Denis Zorin},
  title = {{C}ubic {S}hells},
  booktitle = {Siggraph/Eurographics Sympos. Comput. Anim.},
  year = {2007},
  pages = {91--98}
}