@book{2126,
	author = {Morua Beltrán, María de los Angeles. and Hurtado Rosillo, Gerardo.},
	title = {Contenido mineral de gramíneas forrajeras tropicales en Puyacatengo, Tabasco},
	publisher = {El Autor,},
	year = {1991},
	address = {Chapingo, Méx. :},
	note = {D44-159}
}