TY  - BOOK
AU  - Wittgenstein,Ludwig
TI  - Tractatus logico-philosophicus / 
SN  - 0710009623
U1  - 160 
PY  - 1986///
CY  - London : 
PB  - Routledge & Kegan  , 
KW  - LOGIC
N1  - Includes index
ER  -