Systems thinking  selected readings 
edited by F.E. Emery 
 - Harmondsworth  Penguin Education  1981 
 - v.  ill.  20cm 
 - Penguin modern management readings .
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory
<br/><br/><label>Dewey Class. No.: </label>003