1815-59011815-5901S1815-59012021000200048EspañaEspaña000820210008202142248602002132297-12921-24 April 2008Beijing, China 614-7200713737273-8201520161633852-802016251080-7201220188151541-8Hydropower201720182016201720182010211114202011123-920212.139-50