Primary lead and zinc availability--market economy countries : a minerals availability program appraisal /
Bibliography: p. 40.Mode of access: Internet
Zinc mines and mining., Lead mines and mining., Zinc industry and trade., Lead industry and trade.
Publisher: Washington, D.C. : United States Dept. of the Interior, Bureau of Mines : For sale by the Supt. of Docs., U.S. G.P.O.,
Sorry, we are unable to provide the full text but you may find it at the