European Journal of Operational Research
European Journal of Operational Research > 2010 > 201 > 1 > 171-182
European Journal of Operational Research > 2010 > 201 > 2 > 419-426
European Journal of Operational Research > 2010 > 202 > 3 > 707-716
European Journal of Operational Research > 2010 > 205 > 1 > 81-97
European Journal of Operational Research > 2010 > 205 > 1 > 98-105