Goos,G. <br/><br/>
Lecture notes in computer science automata theory and formal languages 2GL Conference 

 - Germany  springer-verlag  1975 
 - viii,292p. 
<br/><br/><label>ISBN: </label>3540074074 
<br/><br/><label>Dewey Class. No.: </label>621.38195  / G52L