European Journal of Operational Research
European Journal of Operational Research > 2005 > 162 > 3 > 690-699
European Journal of Operational Research > 2005 > 163 > 1 > 30-51
European Journal of Operational Research > 2005 > 163 > 1 > 192-200
European Journal of Operational Research > 2005 > 163 > 1 > 154-169
European Journal of Operational Research > 2005 > 165 > 1 > 157-181
European Journal of Operational Research > 2005 > 166 > 1 > 246-254