Estimated world requirements of narcotic drugs :    and estimates of world production of opium in 1976. 

 - New York  :    United Nations,    1976. 
 - xiv,53 p. ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Narcotics -- Statistics.<br/> Drug control -- Statistics .
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Opium trade -- Statistics.