Blyth, C.A. <br/><br/>
American Business Cycles 
/ by C.A. Blyth 
 - London:  George Allen and Unwin LTD,  1969. 
 - 301p.; 
<br/><br/><label>ISBN: </label>043301290 
<br/><br/><label>Dewey Class. No.: </label>338.509  / BLY/A