European Journal of Operational Research
European Journal of Operational Research > 2006 > 174 > 1 > 509-521
European Journal of Operational Research > 2006 > 174 > 1 > 492-508
European Journal of Operational Research > 2006 > 174 > 1 > 150-168
European Journal of Operational Research > 2006 > 174 > 1 > 622-645
European Journal of Operational Research > 2006 > 174 > 2 > 1220-1246
European Journal of Operational Research > 2006 > 174 > 3 > 1664-1684
European Journal of Operational Research > 2006 > 174 > 3 > 1616-1630