TY  - BOOK
AU  - Swan,Michael
AU  - Catherine,Walter
TI  - How English works : a grammar practice book ; with
SN  - 019431457
AV  - PE 1128 S92H 1997
PY  - 1997///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Textbooks for foreign speakers
N1  - Includes index
ER  -