Haugan, Einar.   x <br/><br/>
The ecology of language   x 

 - x 
 - California  Stan ford Univ.Press  1972 
 - 366 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>0804708029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and Languages  Language and language  
<br/><br/><label>Dewey Class. No.: </label>400/H368e