Guardia, Ernesto de la creator text bibliography ag Buenos Aires Editorial Abaco de Rodolfo Depalma [1997] monographic spa 565 p. 23 cm. Ernesto de la Guardia. Includes bibliographical references (p. (555)-558 and index. Treaties International Law Legal research KZ 1301 .G83 1997 9505690878 PUCPR 990409 20160527200515.0 220584