@book{12261,
	author = {Ramos Perez, Demetrio. and Instituto Juan Sebastian Elcano.},
	title = {El Tratado de limites de 1750 y la expedicion de Iturriaga al Orinoco /},
	publisher = {Consejo Superior de Investigaciones Cientificas, Instituto Juan Sebastian Elcano,},
	year = {1946.},
	address = {Madrid :},
	note = {Originally presented as the author's thesis, Madrid, 1944.}
}