{"tema_id":"4362","string":"Petr\u00f3leo - Pozos - Perforaci\u00f3n submarina","created":"2009-06-04 11:05:10","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":"622.276.04 "}]}