TY  - BOOK
AU  - Aitchison, Jean, 1938-
TI  - Seeds of speech : language origin and evolution
SN  - 0521462460
U1  - 401 
PY  - 1996///
CY  - Cambridge
PB  - Cambridge Univ. Press, 
KW  - Language and Languages -- Origin
KW  - Language Acquisition
KW  - Linguistic Change
ER  -