Annals of Operations Research
Annals of Operations Research > 2012 > 196 > 1 > 153-165
Annals of Operations Research > 2012 > 201 > 1 > 475-494
Annals of Operations Research > 2012 > 196 > 1 > 153-165
Annals of Operations Research > 2012 > 201 > 1 > 475-494