@inproceedings{NBS09,
  author      = {A. Nasri and 
                 W. Bou Karam and 
                 F. Samavati},
  title       = {Sketch-based subdivision models},
  booktitle   = {Proceedings of the 6th Eurographics Symposium on Sketch-Based Interfaces and Modeling (SBIM'09)},
  publisher   = {ACM},  
  address     = {New York, NY, USA},
  isbn        = {978-1-60558-602-1},
  location    = {New Orleans, USA},
  month       = {Aug 1-2},    
  year        = {2009},
  pages       = {53-60},
  doi         = {http://doi.acm.org/10.1145/1572741.1572751}
}