@book{45839,
	author = {UNESCO},
	title = {Estudios en el extranjero},
	publisher = {UNESCO,},
	year = {1949-},
	address = {Paris :},
	note = {La biblioteca tiene: v.13 (1962), 2c.; v.16 (1966-68); v.19 (1972-74); v.22 (1979-81); v.23 (1981-83); v.30 (1998-99)}
}