Ascroft, Joseph R. <br/><br/>
The fertility behavior differential:  a methodological  innovation in fertility research 
Joseph R. Ascroft 
 - Nairobi  University of Nairobi  1971 
 - 17p.  ill  34cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility<br/>Society<br/>Reproduction<br/>Human
<br/><br/><label>LC Class. No.: </label>EAF QTO H31.N28 No.118