Bocanegra, Emilia Groundwater exploitation of fractured rocks in South America - London Taylor and Francis 2007 - pp. 45-56 ilus. - Selected Papers on Hydrogeology n.9 . Subjects--Topical Terms: AGUAS SUBTERRANEASFRACTURASHIDROGEOLOGÍAMATERIALES FRACTURADOSROCAS Subjects--Geographic Terms: AMERICA DEL SURBRASILCOLOMBIACUSCOPERU Universal Decimal Class. No.: 551.495/K79|1