@book{2192,
	author = {Padilla Ramírez, Rafael. and UACH. Departamento de Fitotecnia},
	title = {El cultivo de la soya (Glycine max L. Merril) en México},
	publisher = {El Autor,},
	year = {1991},
	address = {Chapingo, Méx. :},
	note = {D44-226}
}