000 00240nam a2200109Ia 4500
008 160710s1949 xx 000 0 und d
100 _aRIES,H
245 _aECONOMIC GEOLOGY
260 _bJOHN WILEY
_c1949
300 _a720
942 _2ddc
_cB
999 _c13331
_d13331