Wishik, Samuel M. <br/><br/>
The fertility pattern method :   estimation of fertility change by retrospective quasi-cohort analysis of group-specific fertility patterns / 
Samuel M.Wishik &  Donald W.Helbig 
 - New York :  CU ;  1972 
 - 83p.:  ill.;  24 cm. 
 - Manuals for evaluation of family planning and population programs .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility
<br/><br/><label>Dewey Class. No.: </label>312.1  / WIS