Andrea Weidlich, Alexander Wilkie. Realistic rendering of birefringency in uniaxial crystals. ACM Trans. Graph., 27(1), 2008. [doi]
@article{WeidlichW08,
title = {Realistic rendering of birefringency in uniaxial crystals},
author = {Andrea Weidlich and Alexander Wilkie},
year = {2008},
doi = {10.1145/1330511.1330517},
url = {http://doi.acm.org/10.1145/1330511.1330517},
researchr = {https://researchr.org/publication/WeidlichW08},
cites = {0},
citedby = {0},
journal = {ACM Trans. Graph.},
volume = {27},
number = {1},
}