TY  - BOOK
AU  - Biber,Douglas
TI  - Variation across speech and writing
SN  - 0521425565
U1  - 302.224/B581v 
PY  - 1995///
CY  - New York
PB  - Cambridge University Press
KW  - Communication
KW  - Language and languages
KW  - Study and teaching
N1  - First published 1988. Appendixes, bibliography and index at the end
ER  -