Thoman, Richard S. <br/><br/>
The geography of economic activity :  introductory world survey / 
Richard S. Thoman 
 - New York :  McGraw-Hill,  1962 
 - 602 p. :  ill.,, charts , maps ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 8.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production functions (Economic theory)
<br/><br/><label>Dewey Class. No.: </label>330.9