@article{Zhao:2014:HSR:2601097.2601104,
 author = {Zhao, Shuang and Ramamoorthi, Ravi and Bala, Kavita},
 title = {High-order Similarity Relations in Radiative Transfer},
 journal = {ACM Trans. Graph.},
 issue_date = {July 2014},
 volume = {33},
 number = {4},
 month = jul,
 year = {2014},
 issn = {0730-0301},
 pages = {104:1--104:12},
 articleno = {104},
 numpages = {12},
 url = {http://doi.acm.org/10.1145/2601097.2601104},
 doi = {10.1145/2601097.2601104},
 acmid = {2601104},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {radiative transfer, subsurface scattering},
}