Modelling and assessing second language acquisition / 
edited by Kenneth Hyltenstam and Manfred Pienemann. 
 - Clevedon :  College-Hill Press,  1985. 
 - 400 p. ;  21 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/>
<br/><br/><label>ISBN: </label>0905028422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching.<br/>Second language acquisition.
<br/><br/><label>LC Class. No.: </label>DUCE P53.M54