Lewis, Harry R. <br/><br/>
Elements of the theory of computation / 
Harry R. Lewis and Christos H. Papadimitriou. 
 - 2nd ed. 
 - New Delhi :  Pearson education Asia,  c1998 [Reprinted 2001].  
 - [xi], 361 pages :  illustrations ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8178084872 8131703878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Formal languages.<br/>Computational complexity.<br/>Logic, Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>511.3 LEW