@book{79395,
	author = {Cruz Turrubiates, Jose Refugio.},
	title = {Actividad microbiana en suelos de chahuitera con uso de Mucuna deeringiana (Bort) en Javier Jasso, Oaxaca, México},
	publisher = {El autor,},
	year = {1999},
	address = {Chapingo, Méx. :}
}