Developments in language theory ii:  at the crossroads of mathematics computer science and biology 
edited by Jurgen Dassow, Grzegorz Rozenberg and Arto Salomaa 
 - Singapore:  Wrold Scientific  1986. 
 - x,491p. 
<br/><br/><label>ISBN: </label>9810226829 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formal language-Congresses<br/>Language systems
<br/><br/><label>Dewey Class. No.: </label>511.321  / DEV