@article{Wang08CAD,
 author = {Wang, H. and He, Ying and Li, Xin and Gu, X. and Qin, H.},
 title = {Polycube splines},
 journal = {Computer Aided Design},
 volume = {40},
 number = {6},
 year = {2008},
 pages = {721-733},
}