@book{4484,
	author = {Franco Pizaña, Jesús Guadalupe.},
	title = {Dinámica de la regeneración de Pseudotsuga flahaulti Flous, en el bosque de Pseudotsuga-Pinus-Abies},
	publisher = {El autor,},
	year = {1990},
	address = {Buena Vista, Saltillo :},
	note = {53-331}
}