TY  - GEN
AU  - Black , Michael
AU  - Capel , Annette
TI  - Objective IELTS  workbook advanced 
SN  - 0521608791
U1  - 428 
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University
KW  - HETC
KW  - English Usage
KW  - English Language
KW  - International English Language Testing System
UR  - www.cambridge.org
ER  -