@InProceedings{Buerger:2007:GRSE,
    author      = "Kai B{\"u}rger and Stefan Hertel and Jens Kr{\"u}ger and R{\"u}diger Westermann",
    title       = "GPU Rendering of Secondary Effects",
    booktitle   = "Vision, Modeling and Visualization 2007",
    year        = "2007"
}