TY  - BOOK
AU  - Davis,Fiona
AU  - Rimmer,Wayne
TI  - Active grammar: with answers 
SN  - 9780521732512 (pbk. : v. 1)
PY  - 2011///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Grammar
KW  - Problems, exercises, etc
N1  - Includes index
ER  -