United Nations <br/><br/>
International Narcotics Control Board Organe: Psychotropic Substances  

 - 1 Edición 
 - New York  Incb  2000 
 - 274 p. 
<br/><br/><label>ISBN: </label>92-1-048070-8 
<br/><br/><label>Dewey Class. No.: </label>i053