Parry H. B. <br/><br/>
population and its problems : A plain man's guide 

 - Oxford, UK   Clarendon Press  1974 
 - ix,421p. 
<br/><br/><br/>The wolfson college lectures 1973 
<br/><br/><label>ISBN: </label>0-19-857380-4 
<br/><br/><label>Source: </label>Textual