TY  - BOOK
AU  - Wittgenstein Ludwig
AU  -  Waismann Friedrich
TI  - Voices of Wittgenstein: The Vienna circle
U1  - R3xM891, P3 
PY  - 2003///
CY  - London
PB  - Routledge       
KW  - Wittgenstein-Philosophy
ER  -