000 00296nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a330.018 MAC
100 _aMachlup Fritz
245 0 _aMethodology of Economics and Social Sciences
260 _c1978
300 _a567 p.
942 _2ddc
_cB
999 _c746816
_d746816