@inproceedings{asurveyofshadingtechniquesforfacial,
  title = {A survey of Shading Techniques for Facial Deformations on Sign Language Avatars},
  author = {Ronan Johnson and Rosalee Wolfe},
  year = {2020},
  booktitle = {LREC 2020 5},
  url = {https://aclanthology.org/2020.signlang-1.17},
}