Handbook of formal languages.  Volume 3,  Beyond words / 
G. Rozenberg, A. Salomaa, editors. 
 - 1 online resource (635 pages) 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9783642591266 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formal languages.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA267.3  / .H36 1997 
<br/><br/><label>Dewey Class. No.: </label>511.3