@book{1870,
	author = {Perez Espinel, William Hernan},
	title = {Orma: Orinoquia - Amazonia /},
	publisher = {Valmar Editores,},
	year = {1996.},
	address = {Bogotá :},
	note = {Revista Mensual, Biblioteca Tiene 11, 1996.}
}