Cost Based Filtering for the Constrained Knapsack Problem.

Torsten Fahle Meinolf Sellmann Cost Based Filtering for the Constrained Knapsack Problem. 73-93 2002 115 Annals OR 1-4 http://dx.doi.org/10.1023/A:1021193019522 db/journals/anor/anor115.html#FahleS02