TY  - BOOK
AU  - Swan, Michael
AU  - Walter, Catherine
TI  - The Cambridge English course practice book with key
SN  - 0521357497 (practice book 1)
U1  - 428.24 
PY  - 1988///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language - Textbook for foreign speakers
KW  - English language - Exercises
ER  -