@book{33776,
	author = {Evenson, Robert, and Pingali, Prabhu,},
	title = {Handbook of Agricutural Economics :},
	publisher = {Elsevier,},
	year = {2007.},
	series = {Handbooks in Economics No.18},
	address = {Amsterdam :},
	note = {Incluye Indice.}
}