Silk, Leonard Solomon <br/><br/>
Contemporary economics:  principles and issues / 
Leonard S. Silk. 
 - New York :  McGraw-Hill,  1970 
 - viii, 407 p.  :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references:  p. 391-396. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.