TY  - BOOK
AU  - Doff,Adrian
AU  - Jones,Christopher
TI  - Language in use: upper-intermidiate
SN  - 0521555493
PY  - 2003///
CY  - United Kingdom
PB  - Cabridge University Press
KW  - English language
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Vocabulary
ER  -