000 002710000a22001210004500
245 _aThe logic of scientific discovery
100 _aPopper, K.R.
260 _aLondon
_bHutchinson
_c1959
300 _a480 p.
080 _a5.001.5
_bP6
041 _aEN
942 _cBK
999 _c103623
_d103623