Lightfoot, David <br/><br/>
How new languages emerge / 

 - New York :   Cambridge University Press,   c2006. 
 - ix,   199 p. : ill. ;   22 cm. 
<br/><br/>Includes bibliographical references & index.<br/> 
<br/><br/><label>ISBN: </label>0521676290 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Linguistic change. <br/>2. Language acquisition. <br/>3. Language and languages–Variation.
<br/><br/><label>Dewey Class. No.: </label>Circ. 417.7 L724h 2006