European Journal of Operational Research
European Journal of Operational Research > 2005 > 160 > 2 > 501-514
European Journal of Operational Research > 2005 > 161 > 1 > 275-284
European Journal of Operational Research > 2005 > 163 > 2 > 388-402
European Journal of Operational Research > 2005 > 164 > 1 > 252-268
European Journal of Operational Research > 2005 > 166 > 2 > 557-575
European Journal of Operational Research > 2005 > 166 > 2 > 337-350