@inproceedings{Liu2012Facial,
  title = {{Facial Expression Recognition by Combining Texture and Geometrical Features}},
  author = {Liu, Renjie and Du, Ruofei and Lu, Bao-Liang},
  booktitle = {Proccedings of International Conference on Data Science and Engineering},
  year = {2012},
  pages = {8},
}