TY  - BOOK
AU  - Baker G P
AU  -  Hacker P M S
TI  - Wittgenstein :  rules, grammar and necessity
U1  - R3xM891:g, M5.2 
PY  - 1985///
CY  - Oxford
PB  - Basil Blackwell UK     
KW  - PHILOSOPHY
ER  -