{"tema_id":"4433","string":"Agua - Calidad - Ensayos biol\u00f3gicos","created":"2009-06-17 12:43:39","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":"556.115 "}]}