Woodworth,Forrest. <br/><br/>
Graphical simulation. 

 - ed. 
 - Pennsylvania :  International textbook,  1967. 
 - 574  p. :  ill ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>graphics.