Lead and Zinc :    postwar problems and future prospects /  
IBRD. 
 - [s.l] :    s.n],    1959. 
 - iii, 36 [8] p. ;    23 cm. 
 - Report ;    no. EC-72a .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Lead industry and trade -- United States.<br/> Zinc industry and trade -- United States.