TY  - BOOK
AU  - Swan,Michael
TI  - Practical English usage
SN  - 019431197x
AV  - PE1106 .S94 1995
U1  - 428.2 
PY  - 1995///
CY  - New York
PB  - Oxford University Press
KW  - English language
KW  - Usage
ER  -