Popescu, V., Mei, C., Dauble, J., & Sacks, E. (2006). Reflected-scene impostors for realistic reflections at interactive rates. Computer Graphics Forum, 25(3), 313–322. https://doi.org/10.1111/j.1467-8659.2006.00950.x
Popescu, V., Dauble, J., Mei, C., & Sacks, E. (2006). An efficient error-bounded general camera model. Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT’06), 121–128. https://doi.org/10.1109/3DPVT.2006.26