European Journal of Operational Research
European Journal of Operational Research > 2005 > 161 > 2 > 478-498
European Journal of Operational Research > 2005 > 162 > 1 > 122-125
European Journal of Operational Research > 2005 > 162 > 2 > 310-324
European Journal of Operational Research > 2005 > 163 > 3 > 631-652
European Journal of Operational Research > 2005 > 164 > 2 > 510-534
European Journal of Operational Research > 2005 > 165 > 2 > 339-358