Computing and Combinatorics 14th International Conference, COCOON 2008 Dalian, China, June 27-29, 2008, Proceedings Hu Xiaodong Heftet / 2008 / Engelsk
Combinatorial Optimization and Applications Third International Conference, COCOA 2009, Huangshan, China, June 10-12, 2009, Proceedings Du Ding-Zhu Heftet / 2009 / Engelsk
