European Journal of Operational Research
European Journal of Operational Research > 2009 > 197 > 2 > 830-833
European Journal of Operational Research > 2009 > 197 > 2 > 492-508
European Journal of Operational Research > 2009 > 197 > 2 > 482-491
European Journal of Operational Research > 2009 > 197 > 2 > 557-571
European Journal of Operational Research > 2009 > 197 > 2 > 532-540
European Journal of Operational Research > 2009 > 197 > 2 > 764-772
European Journal of Operational Research > 2009 > 197 > 2 > 731-740
European Journal of Operational Research > 2009 > 197 > 2 > 825-827
European Journal of Operational Research > 2009 > 197 > 2 > 620-631
European Journal of Operational Research > 2009 > 197 > 2 > 599-608
European Journal of Operational Research > 2009 > 197 > 2 > 741-751
European Journal of Operational Research > 2009 > 197 > 2 > 642-658
European Journal of Operational Research > 2009 > 197 > 2 > 701-713
European Journal of Operational Research > 2009 > 197 > 2 > 541-547
European Journal of Operational Research > 2009 > 197 > 2 > 722-730
European Journal of Operational Research > 2009 > 197 > 2 > 446-455
European Journal of Operational Research > 2009 > 197 > 2 > 799-808