Overbeek, Johannes. <br/><br/>
The population challenge  a handbook for nonspecialists 
Johannes Overbeek. 
 - Westport, Conn.:  Greenwood Press,  1976. 
 - xiv, 214 p. :  ill. graphs ;   22 cm. 
<br/><br/>Includes index and bibliography: p. 200-204. 
<br/><br/><label>ISBN: </label>0837188962 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.<br/>Population policy.