000 00354nam a2200133Ia 4500
082 _a501
_bHAO
100 _aHanson, Norwood Russel
_913400
245 _aObservation and explanation
_b: a guide to philosophy of science
260 _aLondon
_bGeorge Allen
_c1972
300 _bix,84p.
546 _aeng
650 _aScience-Philosophy
_913401
942 _cBK
999 _c20289
_d20289