TY  - BOOK
AU  - Biber, Douglas
AU  - Conrad Susan 
TI  - Student grammar of spoken and written english
SN  - 0582237270
AV  - PE 1112 .B53 2002
PY  - 2002///
CY  - London
PB  - Longman
KW  - English
N1  - Includes indexes
ER  -