TY  - BOOK
AU  - Lieberman,Philip
TI  - On the origins of language: an introduction to the evolution of human speech
T2  - The Macmillan series in physical anthropology
SN  - 0023706902
AV  - P116 .L5
U1  - 400 LIE 
PY  - 1975///]
CY  - New York
PB  - Macmillan
KW  - Language and languages
KW  - Origin
N1  - Bibliography: p. 183-189
ER  -