TY  - BOOK
AU  - Janson, Tore  .
TI  - Speak: a short history of languages / 
SN  - 0-19-926341-8
U1  - Pv 
PY  - 2003///
CY  - New York : 
PB  - Oxford University Press , 
KW  - Linguistics- History of languages
ER  -