Lass, Roger <br/><br/>
On Explaining Language Change 

 - Cambridge:  Cambridge University Press,  1980. 
 - ix, 186p. : 
<br/><br/><label>ISBN: </label>0-521-228360 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language Change
<br/><br/><label>Dewey Class. No.: </label>400  / LAS