Davis, Gordon Bitter. <br/><br/>
Computer data processing 
Gordon B. Davis,  
 - 2d ed. 
 - London :  McGraw-Hill  c1981 [Reprinting 1982] 
 - x, 662 p. :  ill. ;  25 cm. 
<br/><br/>Includes Bibliographical References and Index 
<br/><br/><label>ISBN: </label>0070157855 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.<br/>Electronic digital computers.
<br/><br/><label>Dewey Class. No.: </label>004  / DAC 1982