Journal of Combinatorial Optimization
Journal of Combinatorial Optimization > 2013 > 26 > 2 > 333-344
Journal of Combinatorial Optimization > 2013 > 26 > 3 > 480-488
Journal of Combinatorial Optimization > 2013 > 26 > 2 > 333-344
Journal of Combinatorial Optimization > 2013 > 26 > 3 > 480-488