@Article{SCI:Bav2008a,
  author =    "L. Bavoil and S.P. Callahan and and C.T. Silva",
  title =     "Robust Soft Shadow Mapping with Depth Peeling",
  journal =   "Journal of Graphics Tools",
  volume =    "13",
  number =    "1",
  pages =     "19--30",
  year =      "2008",
  url =       "http://www.sci.utah.edu/publications/bavoil08/jgt08.pdf",
}