Bulgheroni, Raúl Rubén 1925 Summa andina - Buenos Aires : Bridas, 1989. - 2 v. : il., fot. col. ; 31 cm. ISBN: 9509517194( Subjects--Topical Terms: REGION ANDINA-GEOGRAFIAREGION ANDINA-HISTORIA Universal Decimal Class. No.: 918.28 982.5