000 00307nam a2200133Ia 4500
001 14068
008 170722s9999 xx 000 0 und d
100 _aMarris Robin
245 _aEconomic arithmetic /
260 _c1958
653 _aEconomics Biasing Statistics
653 _aMathematics
942 _cGEN
999 _c22654
_d22654