@book{520,
	author = {Palacio Martínez, Víctor. and UACH. Departamento de Fitotecnia},
	title = {Diagnóstico nutricional del mango (Mangífera indica L.) cv. "oro" en la zona Tapanatepec - Chahuites del istmo Oaxaqueño},
	publisher = {El autor,},
	year = {1990},
	address = {Chapingo, Méx. :},
	note = {36-237}
}