TY  - BOOK
AU  - Wittgenstein, Ludwig
TI  - The voices of Wittgenstein: the Vienna circle
SN  - 9780415056441
U1  - 160 WIT 
PY  - 2003///
CY  - New York
PB  - Routledge
KW  - Language and logic
KW  - Logic
ER  -