000
002580000a22001210004500
245
_a
The problem of knowledge
100
_a
Ayer, A.J.
260
_a
Harmondsworth
_b
Penguin
_c
1956
300
_a
223 p.
080
_a
165
_b
A9
041
_a
EN
942
_c
BK
999
_c
96855
_d
96855