{"tema_id":"2339","string":"Navegaci\u00f3n - Seguridad - Medidas","created":"2009-02-02 12:10:57","code":null,"notes":[{"@type":"Nota hist\u00f3rica","@lang":null,"@value":"Admitida diciembre 1999 "},{"@type":"Nota bibliogr\u00e1fica","@lang":null,"@value":"CDU 629.612:614.8 "}]}