@article{ James:2004:BDTree,
  author = "Doug L. James and Dinesh K. Pai",
  title = "{BD}-{T}ree: Output-Sensitive Collision Detection for Reduced Deformable Models",
  year = "2004",
  month = aug,
  journal = "ACM Transactions on Graphics (SIGGRAPH 2004)",
  volume = "23",
  number = "3",
}