000 00289nam a22001097a 4500
082 _a121.3
_bKAR/C
100 _aKarl R Popper
245 _aConjectures and refutations : the growth of scientific knowledge
260 _aLondon:
_bRoutledge,
_c1989.
650 _aPhilosophy
942 _cBK
999 _c175518
_d175518