Fertility levels and trends as assessed from twenty world fertility surveys 
/ Department of International Economic and Social Affairs 
 - New York:   United Nations,   1983 
 - xv, 299p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conference
<br/><br/><label>Universal Decimal Class. No.: </label>314.3(079.5)  / M3