Shearer, J. Lowen. <br/><br/>
Introduction to system dynamics   
by J. Lowen Shearer, Arthur T. Murphy and Herbert H. Richardson 
 - Massachussetts  Addison-Wesley  1967 
 - xi, 420p. 
<br/><br/><label>Dewey Class. No.: </label>620.  / 7 N67