TY  - BOOK
AU  - x, x
AU  - x
TI  - Tractatus ligico - philosophicus: the German text of ludwig wittgenstein's logisch - philosophische abbandiung
SN  - x
U1  - RB160/T772 
PY  - 1961///
CY  - New York
PB  - Routledge and Kegan paul
KW  - Logic
KW  - Philosophy
ER  -