TY  - BOOK
AU  - Thao, Tran Duc
AU  - Thao, Tran Duc
TI  - Investigations into origin of language and consciousness tr. by D.J. Herman and R.L. Armstrong
U1  - P0S 
PY  - 1984///
CY  - Boston
PB  - D. Reidel Pub. Co.
KW  - P0S
ER  -