1
Applications and Theory of Petri Nets [E-Book] : 30th International Conference, PETRI NETS 2009, Paris, France, June 22-26, 2009. Proceedings /
2
Combinatorial Optimization and Applications [E-Book] : Third International Conference, COCOA 2009, Huangshan, China, June 10-12, 2009. Proceedings /
3
Frontiers in Algorithmics [E-Book] : Third International Workshop, FAW 2009, Hefei, China, June 20-23, 2009. Proceedings /