Lewis, Harry R. <br/><br/>
Elements of the theory of computation / 
Harry R. Lewis, Christos H. Papadimitriou 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1981 
 - xiv, 466 p. ;  24 cm. 
 - Prentice-Hall software series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0132734176 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory<br/>Formal languages<br/>Computational complexity<br/>Logic, Symbolic and mathematical