Murphy, Roy E. <br/><br/>
Adaptive processes in economic systems / 
Roy E. Murphy, Jr. 
 - New York :  Academic Press,  1965. 
 - xvi, 209 p.  ill. 
 - Mathematics in science and engineering  Vol. 20 .
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Mathematical models.