TY  - BOOK
AU  - THOMSON , A.J .,
AU  - THOMSON , A.J .,
AU  - MARTINET , A.V .,
TI  - A PRACTICAL ENGLISH GRAMMAR 
SN  - 0-19-442121-X
U1  - 425 THO 
PY  - 1980///
CY  - NEW DELHI
PB  - OXFORD UNIVERSITY PRESS
KW  - English grammar
ER  -