Seltzer, William <br/><br/>
Demographic data collection :   a summary of experience / 
Seltzer, William 
 - New York :  PC ,  1973 
 - viii, 50p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Fertility
<br/><br/><label>Dewey Class. No.: </label>312  / SEL