@article{Georgiev:2019:IFV,
 author = {Iliyan Georgiev and Zackary Misso and Toshiya Hachisuka and Derek Nowrouzezahrai and Jaroslav K{\v{r}}iv{\'{a}}nek and Wojciech Jarosz},
 title = {Integral formulations of volumetric transmittance},
 journal = {ACM Trans. Graph. (SIGGRAPH Asia 2019)},
 volume = {38},
 number = {6},
 year = {2019},
 numpages = {17},
 doi = {10.1145/3355089.3356559},
 publisher = {ACM},
 address = {New York, NY, USA}
}