TY  - GEN
TY  - GEN
T1  - The problem of knowledge
A1  - Ayer, Alfred Jules
LA  - eng
PP  - Harmondsworth
PB  - Penguin books
YR  - 1966
ED  - Repr
UL  - https://kansalliskirjasto.finna.fi/Record/fikka.374017
OP  - 258
KW  - Knowledge, Theory of.
ER  -