Annals of Operations Research
Annals of Operations Research > 2012 > 200 > 1 > 75-92
Annals of Operations Research > 2012 > 201 > 1 > 63-81
Annals of Operations Research > 2012 > 200 > 1 > 75-92
Annals of Operations Research > 2012 > 201 > 1 > 63-81