@book{52261,
	author = {Ponce Herrera, J. Marcelino.},
	title = {Multiplicación por injerto de la guanabana, Annona muricata L.},
	publisher = {El autor,},
	year = {1977},
	address = {Chapingo, Méx. :},
	note = {1 c. en bodega}
}