TY  - BOOK
AU  - Biber, Douglas
AU  -  Conrad, Susan
AU  -  Leech, Geoffrey
TI  - Longman student grammar of spoken and written English
SN  - 0-582-23726-2
AV  - PE1112.B53 
CY  - Harlow
KW  -  English language--Study and teaching
KW  - English language
KW  - English language--Grammar
ER  -