An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru / Gary McMahon, Jose Luis Evia, Alberto Pasco-Font, Jose Migul Sanchez. - Washington : The World Bank, 1999. - ix, 61 p. : fig. ; 28 cm.см.. - (World Bank techn. paper ; N 429). - ISBN 0-8213-4428-5[MFN: 13448]

UDC: 338.4:622 + 330.111.62

• McMahon, Gary (auth.);  Evia, Jose Luis (auth.);  Pasco-Font, Alberto (auth.);  Sanchez, Jose Miguel (auth.); 

E 16.704/4 = 338.4:622/E-58 - General Stock