@article{Latorre2012Birefringency,
  author = {Latorre, Pedro and Seron, Francisco and Gutierrez, Diego},
  title = {Birefringency: Calculation of Refracted Ray Paths in Biaxial Crystals},
  journal = {The Visual computer},
  volume = {28},
  number = {4},
  year = {2012},
}