TY  - BOOK
AU  - Ruhlen,Merritt
TI  - The origin of language: tracing the evolution of the mother tongue 
SN  - 9780471159636
AV  - P116 .R85 1994
U1  - 401 RU.O 1994 
PY  - 1994///
CY  - New York
PB  - Wiley
KW  - Language and languages
KW  - Origin
KW  - Classification
KW  - Human evolution
N1  - Includes bibliographical references and index
ER  -