@misc{riBRDf,
  title = {Refractive Index Dependent Bidirectional Scattering Distribution Functions },
  author = {Berger, Kai and Reshetouski, Ilya  and Magnor, Marcus and Ihrke, Ivo},
  howpublished = {Poster @ SIGGRAPH 2011},
  month = {Aug},
  year = {2011}
}