European Journal of Operational Research
European Journal of Operational Research > 2003 > 145 > 1 > 109-120
European Journal of Operational Research > 2003 > 145 > 1 > 136-147
European Journal of Operational Research > 2003 > 148 > 2 > 410-425
European Journal of Operational Research > 2003 > 148 > 2 > 452-465
European Journal of Operational Research > 2003 > 150 > 3 > 529-545
European Journal of Operational Research > 2003 > 151 > 3 > 569-585