European Journal of Operational Research
European Journal of Operational Research > 1999 > 117 > 3 > 511-521
European Journal of Operational Research > 1999 > 117 > 3 > 533-552
European Journal of Operational Research > 1999 > 117 > 3 > 591-605
European Journal of Operational Research > 1999 > 117 > 3 > 578-590
European Journal of Operational Research > 1999 > 117 > 3 > 606-617
European Journal of Operational Research > 1999 > 117 > 3 > 429-449
European Journal of Operational Research > 1999 > 117 > 3 > 415-428
European Journal of Operational Research > 1999 > 117 > 3 > 470-484
European Journal of Operational Research > 1999 > 117 > 3 > 450-469
European Journal of Operational Research > 1999 > 117 > 3 > 565-577
European Journal of Operational Research > 1999 > 117 > 3 > 485-510
European Journal of Operational Research > 1999 > 117 > 3 > 522-532
European Journal of Operational Research > 1999 > 117 > 3 > 553-564