TY  - BOOK
AU  - Thomson, A J
TI  - Practical English grammar
SN  - 0195620534
U1  - RR 050 hQ8 
PY  - 1986///
CY  - Calcutta
PB  - Oxford University Press
KW  - English language - Textbooks for foreign speakers
KW  - English language - Grammar - Problems, exercises, etc
ER  -