@book{4252,
	author = {Curso de Actualización en Silvicultura ( and Aguirre Calderón, Oscar Alberto.},
	title = {Memoria},
	publisher = {UANL. Facultad de Ciencias Forestales,},
	year = {1991},
	address = {Linares, N. L. :},
	note = {D53-91}
}