@article{Liu06-LSP,
  author    = {Yu-Shen Liu and Jean-Claude Paul and Jun-Hai Yong and Pi-Qiang Yu and Hui Zhang and Jia-Guang Sun and Karthik Ramani},
  title     = {Automatic least-squares projection of points onto point clouds with applications in reverse engineering},
  journal   = {Computer-Aided Design},
  volume    = {38},
  number    = {12},
  pages     = {1251--1263},
  year      = {2006},
}