Hopcroft, John E. <br/><br/>
Introduction to automata theory, languages, and computation  

 - 3rd ed. 
 - Boston :  Pearson/Addison Wesley,  2007. 
 - xvii, 535 p.  
<br/><br/><label>ISBN: </label>0321455363 0321462254 0321455371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Formal languages.<br/>Computational complexity.
<br/><br/><label>Dewey Class. No.: </label>511.35