TY  - BOOK
AU  - Trask R. L.
AU  -  Millar Robert McColl
TI  - Why do languages change?
SN  - 9780521546935 (pbk)
U1  - P111, Q0 
PY  - 2010///
CY  - Cambridge
PB  - Cambridge University Press UK     
KW  - LINGUISTICS
ER  -