@article{BDTTOG99,
 author = {Kavita Bala and Julie Dorsey and Seth Teller},
 title = {Radiance interpolants for accelerated bounded-error ray tracing},
 journal = {ACM Trans. Graph.},
 volume = {18},
 number = {3},
 year = {1999},
 issn = {0730-0301},
 pages = {213--256},
 doi = {http://doi.acm.org/10.1145/336414.336417},
 publisher = {ACM Press},
 address = {New York, NY, USA},
 }