@inproceedings{Krivanek:2005:IRG,
 author = {K{\v{r}}iv{\'{a}}nek, Jaroslav and Gautron, Pascal and Bouatouch, Kadi and Pattanaik, Sumanta},
 title = {Improved radiance gradient computation},
 booktitle = {Proceedings of the 21st spring conference on Computer graphics},
 series = {SCCG~'05},
 year = {2005},
 isbn = {1-59593-204-6},
 location = {Budmerice, Slovakia},
 pages = {155--159},
 numpages = {5},
 url = {http://doi.acm.org/10.1145/1090122.1090148},
 doi = {10.1145/1090122.1090148},
 acmid = {1090148},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {global illumination, irradiance gradients, radiance caching, radiance gradients, ray tracing},
}