000
00330 a2200145 4500
020
_a
0415084008
041
_a
English
082
_a
501
_b
POP
100
_a
Karl R. Popper
245
_a
Realism and the aim of science
260
_c
1999
_a
London
_b
Routledge
_g
1999
300
_a
420p
650
_a
Natural Sciences
942
_c
PRB
999
_c
17009
_d
17009