Recommendations for the 1973 world programme of individual statistics 

 - New York  United Nations          1971 
 - iii,43p.  cm. 
 - Statistical papers series M;54 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:97.1N45.N71s, L1/UN