TY  - BOOK
AU  - Trask,R.L.
TI  - The penguin dictionary of English Grammer: How to use English correctly 
AV  - PE1111 .T43 2000
PY  - 2000///
CY  - London
PB  - Penguin Books
KW  - English language
KW  - Grammar
KW  - Dictionaries
ER  -