TY  - BOOK
AU  - Richards, Jack C
TI  - Error Analysis: Perspectives on Second Language Acquisition
SN  - 9780582550445
AV  - P31 .P516
PY  - 1974///
CY  - White Plains, New York, U.s.a.
PB  - Longman Pub Group
KW  - Language Acquisition
KW  - Analysis
ER  -