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
PY  - 1975///]
CY  - New York, N.Y.
PB  - Macmillan
KW  - Language and languages
KW  - Origin
N1  - Includes bibliographical references : (p. 183-189) and index; Cognitive and communicative factors underlying language--The comparative method in the study of communication : Darwin and Negus--Basic acoustics
ER  -