@inproceedings{chan:smoothie:egsr2003,
 author = {Eric Chan and Fr\'edo Durand},
 title = {Rendering Fake Soft Shadows with Smoothies},
 booktitle = {Proceedings of the Eurographics Symposium on Rendering},
 year = {2003},
 pages = {208--218},
 location = {Leuven, Belgium},
 publisher = {Eurographics Association},
 }