Robert B Ekelund, (Robert Burton) <br/><br/>
A history of economic theory and method /  
Robert B. Ekelund, Jr, Robert F. Hebert. 
 - New York ; London :   McGraw-Hill,   1975. 
<br/><br/><label>ISBN: </label>0071007083 
<br/><br/><label>Dewey Class. No.: </label>330.09  / ROB