A Unified Approach for Physical and Geometric Modeling for Graphics and Animation

@article{Essa1992AUA,
  title={A Unified Approach for Physical and Geometric Modeling for Graphics and Animation},
  author={Irfan A. Essa and Stan Sclaroff and Alex Pentland},
  journal={Comput. Graph. Forum},
  year={1992},
  volume={11},
  pages={129-138}
}