Sang Hyun Seo Dae Wook Kang Young Sup Park Kyung-hyun Yoon The New Area Subdivision Methods for Producing Shapes of Colored Paper Mosaic. 32-41 2002 conf/iccS/2002-2 International Conference on Computational Science (2) http://link.springer.de/link/service/series/0558/bibs/2330/23300032.htm db/conf/iccS/iccS2002-2.html#SeoKPY02