TY  - BOOK
AU  - Murphy,Raymond
TI  - Essential grammar in use: a reference and practice book for elementary students of English 
SN  - 0521559278
U1  - 425 MUR 22nd
PY  - 1997///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Grammar
KW  - Textbooks for foreign speakers
N1  - Previous ed.: 1990; Includes index
ER  -