@book{69438,
	author = {Páez Lamadrid, Antonio. and UACH. División de Ciencias Forestales.},
	title = {Análisis del subsector forestal en el estado de Zacatecas},
	publisher = {El autor,},
	year = {1988},
	address = {Chapingo, Méx. :},
	note = {34-92}
}