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