@book{6179,
	author = {Valtierra López, Marizol.},
	title = {Potencia de Azospirillum sp. como fertilizante biológico de Sorghum bicolor (L.) Moench},
	publisher = {El autor,},
	year = {1992},
	address = {Chapingo, Méx. :},
	note = {61-70}
}