@article{Krivanek:2010:EGI:1778765.1778849,
 author = {K\v{r}iv\'{a}nek, Jaroslav and Ferwerda, James A. and Bala, Kavita},
 title = {Effects of global illumination approximations on material appearance},
 journal = {ACM Trans. Graph.},
 issue_date = {July 2010},
 volume = {29},
 number = {4},
 month = jul,
 year = {2010},
 issn = {0730-0301},
 pages = {112:1--112:10},
 articleno = {112},
 numpages = {10},
 url = {http://doi.acm.org/10.1145/1778765.1778849},
 doi = {10.1145/1778765.1778849},
 acmid = {1778849},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {VPL, global illumination, instant radiosity, material perception, perception, virtual point light, visual equivalence},
} 


@inproceedings{Krivanek:2010:EGI:1833349.1778849,
 author = {K\v{r}iv\'{a}nek, Jaroslav and Ferwerda, James A. and Bala, Kavita},
 title = {Effects of global illumination approximations on material appearance},
 booktitle = {ACM SIGGRAPH 2010 papers},
 series = {SIGGRAPH '10},
 year = {2010},
 isbn = {978-1-4503-0210-4},
 location = {Los Angeles, California},
 pages = {112:1--112:10},
 articleno = {112},
 numpages = {10},
 url = {http://doi.acm.org/10.1145/1833349.1778849},
 doi = {10.1145/1833349.1778849},
 acmid = {1778849},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {VPL, global illumination, instant radiosity, material perception, perception, virtual point light, visual equivalence},
} 


@article{Krivanek:2010:EGI:1833351.1778849,
 author = {K\v{r}iv\'{a}nek, Jaroslav and Ferwerda, James A. and Bala, Kavita},
 title = {Effects of global illumination approximations on material appearance},
 journal = {ACM Trans. Graph.},
 volume = {29},
 issue = {4},
 month = {July},
 year = {2010},
 issn = {0730-0301},
 pages = {112:1--112:10},
 articleno = {112},
 numpages = {10},
 url = {http://doi.acm.org/10.1145/1778765.1778849},
 doi = {http://doi.acm.org/10.1145/1778765.1778849},
 acmid = {1778849},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {VPL, global illumination, instant radiosity, material perception, perception, virtual point light, visual equivalence},
}