Operations Research Letters
Operations Research Letters > 2004 > 32 > 1 > 5-14
Operations Research Letters > 2004 > 32 > 1 > 41-43
Operations Research Letters > 2004 > 32 > 3 > 212-216
Operations Research Letters > 2004 > 32 > 5 > 485-490
Operations Research Letters > 2004 > 32 > 5 > 479-484
Operations Research Letters > 2004 > 32 > 6 > 535-539