TY  - BOOK
AU  - Thomson,A.J., Martinet, A.V.
AU  - x
TI  - A practical english grammar: x
SN  - 0 19 562053 4
U1  - 425/T468p 
PY  - 2001///
CY  - Delhi
PB  - Oxford Univ. Press
KW  - English language - Grammar
N1  - Includes
ER  -