Kinber, Efim. <br/><br/>
Theory of computing : a gentle introduction/  	 
Efim Kinber and Carl Smith. 
 - Upper Saddle River, N.J.: 	  Prentice Hall, Inc,   c2001.  
 - xiv, 207 pages :   illustrations ;   23 cm. 
<br/><br/>Includes bibliographical references and index.<br/>