@ARTICLE{Weis09_sgp,
  author = {Weiss, K. and {De Floriani}, L.},
  title = {Diamond Hierarchies of Arbitrary Dimension},
  journal = {Computer Graphics Forum (Proceedings SGP 2009)},
  year = {2009},
  volume = {28},
  pages = {1289--1300},
  number = {5},
  doi = {10.1111/j.1467-8659.2009.01506.x},
  publisher = {Eurographics Association}
}