@book{26640,
	author = {Iturbe Castillo, Jesús. and Iturbe Castillo, Roberto.},
	title = {Uso múltiple del bosque en el Parque Nacional Sierra de San Pedro Martir, Baja California},
	publisher = {El autor,},
	year = {1984},
	address = {Chapingo, Méx. :}
}