TY  - BOOK
AU  - Swan,Michael
TI  - Practical English usage / 
SN  - 0194421465
AV  - PE1106 .S94 1981
U1  - 428.24/ S972p 23
PY  - 2003///
CY  - Oxford, New York
PB  - Oxford University Press
KW  - English language
KW  - Usage
KW  - English language -- Grammar
KW  - English language -- Textbooks for foreign speakers
N1  - Includes index; ENG
ER  -