TY  - BOOK
AU  - Thomson, A.J.
AU  - Martinet, A.V.
TI  - A Practical English Grammar 
SN  - 195620534
U1  - 425 
PY  - 1986///
CY  - Delhi
PB  - Oxford University Press
KW  - English grammar
N1  - Includes index
ER  -