000 00301nam a22001217a 4500
082 _a500
_bVAL
_cL-29, P-103
100 _aFrank, Philpp G.
245 _aThe Validation of Scientific theories.
260 _aCollier Books
_bNew York
300 _ax, 220 p, :
_bill, :
_c8 CM
650 _aMCE
942 _cBK
999 _c3649
_d3649