@article{ Fang:2003:ESO,
  author = "Anthony C. Fang and Nancy S. Pollard",
  title = "Efficient Synthesis of Physically Valid Human Motion",
  year = "2003",
  month = jul,
  journal = "ACM Transactions on Graphics (SIGGRAPH 2003)",
  volume = "22",
  number = "3",
  pages = "417--426",
}