000 00341cam a22001331 4500
082 _a601
_bFRA
_cL-6, P-24.
100 1 _aFrank, Philipp,
245 1 4 _aThe validation of scientific theories.
260 _aBoston,
_bBeacon Press
_c[1957, c1956]
300 _axi, 242 p.
_c22 cm.
650 0 _aScience
_xPhilosophy.
650 0 _aMCE
942 _cBK
999 _c4863
_d4863