Trewartha, Glenn Thomas,  1896- <br/><br/>
The less developed realm :  a geography of its population / 
by Glenn T. Trewartha. Cartography by Randall B. Sale. 
 - New York :  Wiley ,  1972. 
 - xi, 449 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471887943  0471887951 (pbk) 
<br/><br/><label>LCCN: </label>76-173680 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries--Population.
<br/><br/><label>Dewey Class. No.: </label>301.3291724