000
00279nam a22001097a 4500
082
_a
501
_b
POP
100
_a
Popper, Karl R
245
_a
Logic of scientific discovery
260
_a
London
_b
Unwin Hyman
_c
1980
650
_a
Logic of science
_a
Testabiltiy
_a
Simplicity
942
_c
BK
999
_c
211019
_d
211019