MATHEMATICAL ASPECTS OF NATURAL AND FORMAL LANGUAGES 

 - LONDON  WORLD SCIENTIFIC PRESS  1994 
<br/><br/> INCLUDES INDEX 
<br/><br/><label>ISBN: </label>9810219148 
<br/><br/><label>Source: </label>B-25784 
<br/><br/><label>LC Class. No.: </label>QA76.7.  / M37