Bilingualism across the lifespan :  aspects of acquisition, maturity, and loss / 
edited by Kenneth Hyltenstam and Loraine K. Obler 
 - Cambridge :  The University Press,  1989 
 - xi, 249 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0521352258 :  USD 30.00 0521359988 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bilingualism<br/>Language acquisition<br/>Language and languages--Aspects
<br/><br/><label>Dewey Class. No.: </label>404.2