Formal language theory :  perspectives and open problems / 
proceeding of conference on formal language theory held December 10-14, 1979 in santa Barbara, California ; edited by Ronald V. Book 
 - New York :  Academic Press,  c1980 
 - xiii, 454 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0121153509 :  USD 35.30 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formal languageses
<br/><br/><label>Dewey Class. No.: </label>164