1
Applied Algebra, Algebraic Algorithms and Error-Correcting Codes [E-Book] : 18th International Symposium, AAECC-18 2009, Tarragona, Spain, June 8-12, 2009. Proceedings /
2
Combinatorial Optimization and Applications [E-Book] : Third International Conference, COCOA 2009, Huangshan, China, June 10-12, 2009. Proceedings /