TY  - BOOK
AU  - Tarone,Elaine
TI  - Variation in interlanguage
SN  - 0713165987
PY  - 1988///
CY  - London
PB  - Edward Arnold
KW  - Interlanguage (Language learning)
KW  - Language and languages
KW  - Variation
KW  - Second language acquisition
N1  - Bibliography : p.139-149; Includes index
ER  -