Journal of Combinatorial Optimization
Journal of Combinatorial Optimization > 2008 > 15 > 2 > 147-164
Journal of Combinatorial Optimization > 2008 > 16 > 4 > 378-401
Journal of Combinatorial Optimization > 2008 > 15 > 2 > 147-164
Journal of Combinatorial Optimization > 2008 > 16 > 4 > 378-401