000 00318nam a2200133Ia 4500
008 190601s9999 xx 000 0 und d
082 _a501
_bCRA
100 _aCraig, Gerald S.
245 0 _aGoing forward with science
260 _aBoston
_bGinn
_c1950
300 _a415 p.
650 _aScience-theory
942 _cS
999 _c119576
_d119575