@InProceedings{kopta:12:updates, title = { {F}ast, {E}ffective {BVH} {U}pdates for {A}nimated {S}cenes }, author = { Daniel Kopta and Thiago Ize and Josef Spjut and Erik Brunvand and Al Davis and Andrew Kensler }, booktitle = { Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games }, month = { March }, year = { 2012 }, pages = { 197--204 }, }