Report and working papers of the Escap/SPC 

 - New York  United Nations USA       1982 
 - 115p  cm. 
<br/><br/><label>Standard No.: </label>17,805 
<br/><br/><label>Source: </label> Reports / Technical Reports 
<br/><br/><label>Dewey Class. No.: </label>Y:5.4.6, M2