TY  - BOOK
AU  - Biber,Douglas
TI  - Variation across speech and writing
SN  - 0521425565
PY  - 1988///
CY  - Cambridge, UK
PB  - CUP
KW  - Language and languages
KW  - Variation
KW  - Oral communication
KW  - Written communication
N1  - Includes bibliography and index
ER  -