Green, D. C. <br/><br/>
Digital electronics / 
D. C. Green 
 - 5th ed. 
 - Harlow Essex, Eng. :  Longman,  1999 
 - ix, 398p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0582317363 9780582317369 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital electronics