@book{74022,
	author = {Harris, A. C. and Arnold, J. E. Michael.},
	title = {Suministros de carbón de leña a Altos Hornos Zapla},
	publisher = {Inventario y Desarrollo Forestal del Noroeste Argentino,},
	year = {1973},
	series = {Documento de trabajo},
	address = {Salta, Argentina :}
}