@article{dynamicmodeloffacialexpression,
  title = {Dynamic Model of Facial Expression Recognition based on Eigen-face Approach},
  author = {Nikunj Bajaj and Aurobinda Routray and S. L. Happy},
  year = {2013},
  eprint = {1311.6007},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1311.6007v1},
}