Estimated world rquirement of narcotic dugs  in 1960 

 - Geneva  United Nations           1959 
 - xix , 47p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45 , 3 :3(Y :414) . N60, J9