000 00415nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a609 D2
100 _a"D`A Bro, A"
245 0 _aEvolution of Scientific the Ought
250 _a\\194900ENGGPSX
260 _aHarper and Brothers
260 _b1949
260 _cNew-York
300 _axx+481 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c12368
_d12368