TY  - GEN
AU  - Murphy, Raymond
TI  - Essential grammar in use: a self-study reference and practice book for elementary students of English 
SN  - 9780521133890
U1  - 425 
PY  - 1997///
CY  - New York
PB  - Cambridge University Press, 
KW  - English
KW  - English grammar
N1  - Include index
ER  -