TY  - BOOK
AU  - Wittgenstein,Ludwig
AU  - Waismann,Friedrich
AU  - Baker,G.P.
TI  - The voices of Wittgenstein: the Vienna circle : original German texts and English translations 
SN  - 0415056446
PY  - 2003///
CY  - London
PB  - Routledge
KW  - Logic
KW  - Language and logic
ER  -