TY  - BOOK
AU  -  Lieberman,  Philip
TI  - On The Orgin of Language: : An Introduction to the Evolution of human speech
SN  - 0023706902
U1  - 401.9 
PY  - 1975///
CY  - New York: 
PB  - Macmillian Press, 
KW  - Basics Acoustics
KW  - Factors of Language
KW  - Language
KW  - Phonetics Features
ER  -