Davis, William S. <br/><br/>
Information processing systems 

 - 2nd ed. 
 - LoNew Delhion  Addison-Wesley  1981 
 - xix,504p.  21 cm. 
<br/><br/><label>ISBN: </label>0201031833 
<br/><br/><label>Dewey Class. No.: </label>001.64,  / D, Dav