TY  - BOOK
AU  - Johansson Sverker
TI  - Origins of language: constraints on hypotheses
SN  - 1-58811-629-8
U1  - 401 
PY  - 2005///
CY  - Amsterdam
PB  - John Benjamins
KW  - Biolinguistics
KW  - Human evolution
KW  - Language and languages-origin
ER  -