An Environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru - McMahon, Gary, 1953-; Pascó-Font, Alberto; Evia, José Luis; Světová banka (Washington : The World Bank, 1999)
Lit.
Keywords: hornictví; environmentálně vhodné technologie; Bolívie; Chile; Peru; studie; Světová banka; mining; green technology; Bolivia; Chile; Peru; studies