Age and sex patterns of mortality:   model life-tables for under-developed countries / 

 - New York:      DSA,  1955     
 - 38p.  ill.;  30 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Mortality<br/>Age<br/>Sex
<br/><br/><label>Dewey Class. No.: </label>312.2  / UN-2