Pollard A H, and others <br/><br/>
Demographic techniques 
Pollard A H, and others 
 - 3rd 
 - Sydney  Pergamon Press           1990 
 - ix,185p  cm. 
<br/><br/> Appendix: p 173-177 
<br/><br/><label>ISBN: </label>0080400655 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family Planning
<br/><br/><label>Dewey Class. No.: </label>Y:5:(B), N0