Statistical Commission   Report of the fifteenth Session (26 Feb. - 8 March 1968).    

 - New York  U.N.           1968 
 - 61p.  cm. 
 - Supplement no.10 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45, 93:3.N68r, K8/UN