@inproceedings{Wang07SPM,
  author = {Wang, H. and He, Ying and Li, Xin and Gu, Xianfeng and Qin, H.},
  title = {Polycube splines},
  booktitle = {ACM Symposium on Solid and physical modeling},
  year = {2007},
  pages = {241-251}
}