Variables and questionnaire for comparative fertility surveys / 
Committee on Comparative Studies of Fertility and Fertility Planning. 
 - New York,  United Nations,  1970. 
 - iv, 104 p.  ill.;  28 cm. 
 - Population studies, ST/SOA/ser.A/45.  no. 45 .
 - Population studies (New York, N.Y.) ;  no. 45. .
<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.--Human<br/>Social surveys.
<br/><br/><label>Gov. Doc. Class. No.: </label>UN AESA / ST / SOA Series 45