TY  - BOOK
AU  - Thomson,A.J.(Audrey Jean)
AU  - Martinet,A.V.
TI  - A practical English grammar
SN  - 0194421228
PY  - 1975///
CY  - Hong kong
PB  - Oxford University Press
KW  - English language
KW  - Grammar -
KW  - Problems, exercises, etc
KW  - Textbooks for foreign speakers
ER  -