@article{wang2008polycube,
  title={Polycube splines},
  author={Wang, Hongyu and He, Ying and Li, Xin and Gu, Xianfeng and Qin, Hong},
  journal={Computer-Aided Design},
  volume={40},
  number={6},
  pages={721--733},
  year={2008},
  publisher={Elsevier}
}