@inproceedings{Walter:2009:SSR:1576246.1531398,
 author = {Walter, Bruce and Zhao, Shuang and Holzschuch, Nicolas and Bala, Kavita},
 title = {Single scattering in refractive media with triangle mesh boundaries},
 booktitle = {ACM SIGGRAPH 2009 papers},
 series = {SIGGRAPH '09},
 year = {2009},
 isbn = {978-1-60558-726-4},
 location = {New Orleans, Louisiana},
 pages = {92:1--92:8},
 articleno = {92},
 numpages = {8},
 url = {http://doi.acm.org/10.1145/1576246.1531398},
 doi = {10.1145/1576246.1531398},
 acmid = {1531398},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {refraction, single scatter, subsurface},
} 

@article{Walter:2009:SSR:1531326.1531398,
 author = {Walter, Bruce and Zhao, Shuang and Holzschuch, Nicolas and Bala, Kavita},
 title = {Single scattering in refractive media with triangle mesh boundaries},
 journal = {ACM Trans. Graph.},
 issue_date = {August 2009},
 volume = {28},
 number = {3},
 month = jul,
 year = {2009},
 issn = {0730-0301},
 pages = {92:1--92:8},
 articleno = {92},
 numpages = {8},
 url = {http://doi.acm.org/10.1145/1531326.1531398},
 doi = {10.1145/1531326.1531398},
 acmid = {1531398},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {refraction, single scatter, subsurface},
}