Annals of Operations Research
Annals of Operations Research > 2000 > 94 > 1-4 > 57-68
Annals of Operations Research > 2000 > 94 > 1-4 > 69-89
Annals of Operations Research > 2000 > 94 > 1-4 > 57-68
Annals of Operations Research > 2000 > 94 > 1-4 > 69-89