TY  - BOOK
AU  - Swadesh,Morris
AU  - Sherzer,Joel
TI  - The origin and diversification of language
SN  - 0710071957
PY  - 1972///
CY  - London
PB  - Routledge & Kegan Paul
KW  - Language and languages
N1  - Bibliography: p. 324-336
ER  -