Cohen, Daniel I. A. <br/><br/>
Introduction to computer theory  

 - 2nd ed. 
 - New York  John Wiley & Sons  1997. 
 - 634 p.   26 cm. 
<br/><br/><label>ISBN: </label>0471137723 (paperback) 9780471137726 (paperback) 
<br/><br/><label>Dewey Class. No.: </label>004 COH-I