Variables and questionnaire for comparative fertility surveys / 
International Union for the Scientific Study of Population.Committee on Comparative Studies of Fertility and Fertility Planning. 
 - New York :  United Nations,  1970. 
 - iv, 104 p. :  forms. ;  28 cm. 
 - Population studies, no. 45 .
 -  no. 45. Population studies (New York, N.Y.) ; .
<br/><br/> "United Nations publication. Sales no.: E.69.XIII.4."  Prepared in collaboration with the United Nations Secretariat. 
<br/><br/>Bibliography: p. 102-104. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility, Human.<br/>Birth control.<br/>Social surveys.
<br/><br/><label>Dewey Class. No.: </label>304.6320723  / INV 1970