Principles for a vital statistics. 

 - New York :  DESA ,  1964 
 - vi, 28p.:  ill.;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>312  / UN-7