{"tema_id":"4561","string":"Rocas cristalinas","created":"2009-06-19 13:21:44","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":"552.3\/.4 "}]}