Langendoen, D. Terence. <br/><br/>
The vastness of natural languages / 
D. Terence Lengendoen and Paul M. Postal. 
 - Oxford :  Blackwell,  1984. 
 - 208 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p.177-184. 
<br/><br/><label>ISBN: </label>0631134611 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammer, Comparative and general.<br/>Mathematical linguistics.