TY  - BOOK
AU  - Seliger,Herbert W.
AU  - Vago,Robert Michael
TI  - First language attrition
SN  - 0521344263 :
U1  - 404.2 
PY  - 1991///
CY  - Cambridge
PB  - The University Press
KW  - Language attrition
KW  - Bilingualism
KW  - Language and languages
N1  - Includes bibliographical references and index
ER  -