Forrester, Jay Wright. <br/><br/>
Principles of systems:  text and workbook chapters 1 trough 10/ 
by Jay W. Forrester. 
 - 2nd preliminary ed. 
 - Cambridge, Ma.:  Wright-Allen press,  1968. 
 - 384 p. in various pagings :   ill. ;   26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory.<br/>Systems engineering.