{"tema_id":"1362","string":"Acidificaci\u00f3n de los cursos de agua, lagos, etc.","created":"2008-04-21 10:08:42","code":null,"modified":"2009-06-04 13:04:03","notes":[{"@type":"Nota hist\u00f3rica","@lang":null,"@value":"Se puede usar con un subencabezamiento geogr\u00e1fico. "},{"@type":"Nota bibliogr\u00e1fica","@lang":null,"@value":"556.53:504.4 "}]}