@inproceedings{Kim09:NPAR, 
author = {SungYe Kim, Ross Maciejewski, Tobias Isenberg, William M. Andrews, Wei Chen,Mario Costa Sousa, David S. Ebert},
title = {Stippling by Example},
booktitle = {Proceedings of the 7th international symposium on Non-photorealistic animation and rendering (NPAR)},
year = {2009},
}