000 00252nam a2200109Ia 4500
008 160710s1930 xx 000 0 und d
100 _aRAIS,H
245 _aELEMENTARY ECONOMICS GEOLOGY
260 _bJOHN WILEY
_c1930
300 _a360
942 _2ddc
_cB
999 _c10860
_d10860