Murphy, Roy. E. <br/><br/>
Adaptive processes in economic systems / 
Roy E. Murphy 
 - New York :  Academic Press,  1965 
 - 209 p. :  ill. ;  23cm 
 - Mathematics in science and engineering  20 .
<br/><br/><label>LCCN: </label>65-25003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Mathematical models