TY  - BOOK
AU  - Murphy,Raymond
TI  - Essential grammar in use: a self-study reference and practice book for elementary students of English 
PY  - 2007///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Textbooks for foreign speakers
N1  - Includes index; Multimedia item accompanied by audio CD
ER  -