Economic commission for Europe   annual report 1970    

 - New York  United Nations          1970 
 - various pagination  cm. 
<br/><br/> Supplement no. 3 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X.5.N70r, L0,3 /UN