{"tema_id":"4549","string":"Petrog\u00e9nesis","created":"2009-06-19 12:38:38","code":null,"notes":[{"@type":"Nota hist\u00f3rica","@lang":null,"@value":"Se puede usar con un subencabezamiento geogr\u00e1fico. "},{"@type":"Nota bibliogr\u00e1fica","@lang":null,"@value":"552.11 "}]}