Journal of Combinatorial Optimization
Journal of Combinatorial Optimization > 2013 > 25 > 3 > 368-392
Journal of Combinatorial Optimization > 2013 > 25 > 3 > 460-480
Journal of Combinatorial Optimization > 2013 > 25 > 3 > 368-392
Journal of Combinatorial Optimization > 2013 > 25 > 3 > 460-480