Report of the Economic and social council 6 August 1966-4 August 1967 . 

 - New York  U. N          1967 
 - xvi , 141p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45 , 93 : 8 . N67, K7 / UN