TY  - BOOK
AU  - Hewings,Martin
TI  - Advanced grammar in use: a self-study reference and practice book for advanced learners of English: with answers 
SN  - 0521498686 (with answers) :
AV  - PE1112 .H49
PY  - 1999///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Grammar
ER  -