TY  - BOOK
AU  - Thomson,A.J., Martinet, A.V.
AU  - x
TI  - A practical English grammar: x
SN  - 0195620534
U1  - 425/T468p 
PY  - 1986///
CY  - Oxford ; Delhi
PB  - Oxford Univ. Press
KW  - English language - Grammar
N1  - x
ER  -