Lujin Wang Joachim Giesen Kevin T. McDonnell Peter Zolliker Klaus Mueller Color Design for Illustrative Visualization. 1739-1754 2008 14 IEEE Trans. Vis. Comput. Graph. 6 http://dx.doi.org/10.1109/TVCG.2008.118 db/journals/tvcg/tvcg14.html#WangGMZM08