Thoman, Richard S., 1919- <br/><br/>
The geography of economic activity :  an introductory world survey / 
Richard S. Thoman 
 - New York :  McGraw-Hill Book,  1962 
 - 602 p. :  ill ;  25 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic geography