Annals of Operations Research
Annals of Operations Research > 2008 > 159 > 1 > 135-159
Annals of Operations Research > 2008 > 159 > 1 > 5-24
Annals of Operations Research > 2008 > 159 > 1 > 135-159
Annals of Operations Research > 2008 > 159 > 1 > 5-24