TY  - GEN
AU  -  Thomson, AJ
AU  - Martinet, AV
TI  - A practical English grammar structure drills 2
SN  - 0194313468
U1  - 425 
PY  - 1986///
CY  - Oxford
PB  - Oxford University Press
KW  - English grammer
KW  - English
ER  -