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  - 9781107697386 (pbk. with answers)
PY  - 2013///
CY  - New York
PB  - Cambridge University Press
KW  - English language
KW  - Grammar
KW  - Problems, exercises, etc
N1  - Includes indexes
ER  -