@article{PB-VRVis-2008-027,
author = {Rezk-Salama, Christof and Hadwiger, Markus and Ropinski, T. and Ljung, P.},
title = {Advanced Illumination Techniques for GPU-Based Volume Ray Casting},
year = {2008},
journaltitle = {Course Notes for course at SIGGRAPH Asia 2008},
url = {https://www.vrvis.at/publications/PB-VRVis-2008-027},
}