Haugen, Einar <br/><br/>
The ecology of language 
<label>/ by </label> Haugen, Einar 
 - California  Stanford University Press  1972 
 - xiv, 366p.  23 cm. 
<br/><br/><label>ISBN: </label>0804708029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages
<br/><br/><label>Dewey Class. No.: </label>401  / HAU