00304nam a22001097a 4500082002700000100002100027245004300048260002800091300003000119526003700149650000800186  a500 bVALcL-29, P-103  aFrank, Philpp G.  aThe Validation of Scientific theories.  aCollier BooksbNew York  ax, 220 p, :bill, :c8 CM  a0b0c0d500_000000000000000_VAL  aMCE