International Statistical Institute. <br/><br/>
The world fertility survey: January 1977 - December 1977. 

 - The Hague :  ISI,  1977. 
 - Annual Report .
<br/><br/> This examines the current state of human fertilitty throughout the world. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility.<br/>Population six -- Population distribution//Population dynamics/.--Population six -- Population distribution//Population dynamics/.