Annals of Operations Research
Annals of Operations Research > 2000 > 98 > 1-4 > 189-213
Annals of Operations Research > 2000 > 99 > 1-4 > 95-122
Annals of Operations Research > 2000 > 98 > 1-4 > 189-213
Annals of Operations Research > 2000 > 99 > 1-4 > 95-122