{"tema_id":"6511","string":"GRANDES POTENCIAS","created":"2012-02-09 14:43:11","code":null,"notes":[{"@type":"Nota bibliogr\u00e1fica","@lang":"es","@value":"Biblioteca del Congreso de la Naci\u00f3n Argentina, http:\/\/consulta.bcn.gov.ar, Consulta: 12 oct. 2011. "}]}