TY  - BOOK
AU  - Thomson, A J.
AU  - Martinet, A V.
TI  - Practical  english grammer
SN  - 9780195620535
U1  - 425  4
PY  - 2014///
CY  - New Delhi
PB  - Oxford University Press
KW  - Relative pronouns and clauses
KW  - Introduction to verbs
KW  - Prepositions
ER  -