000 00287nam a2200121Ia 4500
008 160710s1956 xx 000 0 und d
082 _a541.9 SMI
100 _aWELLS,M,K
245 _aMINNERALS ANDF MICRO SCOPE
260 _bTHOMSON MURBY & CO
_c1956
300 _a148
942 _2ddc
_cB
999 _c23119
_d23119