Estimated world requirments of Narcotic grugs in 1949   Third supplement. 

 - Geneva  United Nations        1949 
 - 12p.  cm. 
<br/><br/><label>Standard No.: </label>175198 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"V1N45,936:8.N49, H9/UN"