Forrester, Jay Wright <br/><br/>
World dynamics 
/ Jay W. Forrester 
 - 2d ed. 
 - Cambridge, Ma.  Wright-Allen press  1973 
 - xv, 144 p. : graphs ; 26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0262560186 
<br/><br/><label>LCCN: </label>73-084110 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development--Mathematical models<br/>Statics and dynamics (Social sciences)<br/>Demography--Mathematical models