TY  - BOOK
AU  - Wang, William. 
TI  - The emergence of language development and evolution: : reading from scientific american magazine
SN  - 0716721465
AV  - P 106 E45 1991
PY  - 1991///
CY  - New York
PB  - : W.H. Freeman and company
KW  - Language and languages
N1  - Includes index
ER  -