@book{32674,
	author = {Puertas, Ernesto Javier},
	title = {Vivieros y Reforestación: Sembrando Futuro /},
	publisher = {El Colegio Verde de Villa de Leyva,},
	year = {1992.},
	series = {Ecoguías No.6},
	address = {Santafe de Bogotá :}
}