TY  - GEN
AU  - Swan, Michael.
AU  - Walter, Catherine,  
TI  - The new Cambridge English course. Student 4, Upper-intermediate
SN  - 0521376408
AV  - PE1128 
PY  - 1993///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
N1  - Includes index
ER  -