TY - BOOK AU - Aitchinson, Jean TI - The seeds of speech: Language origin and evolution SN - 521785715 U1 - 401 PY - 2000/// CY - Cambridge ; New York, N.Y. PB - Cambridge University Press KW - Language and languages KW - Origin KW - Language acquisition KW - Linguistic change N1 - 000504; CH 504 ER -