000 00253nam a2200109Ia 4500
008 160710s1949 xx 000 0 und d
100 _aPIRSSON ,L.V
245 _aROCKS AND ROCK MINERALS
260 _bJOHN WILEY
_c1949
300 _a349
942 _2ddc
_cB
999 _c10938
_d10938