Annals of Operations Research
Annals of Operations Research > 2012 > 195 > 1 > 237-259
Annals of Operations Research > 2012 > 195 > 1 > 135-161
Annals of Operations Research > 2012 > 195 > 1 > 237-259
Annals of Operations Research > 2012 > 195 > 1 > 135-161