Statistical Comission   Report of the 12th Session (24 April-10 May,1962).    

 - New York  United Nation          1962 
 - 24p  cm. 
<br/><br/> Supplement No.13 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>VIN45,93:3.N62, K2/UN