000 00326nam a2200133Ia 4500
008 140317s9999 xx 000 0 und d
082 _a553.23
100 _aSpock,L.E.
245 _aGuide to the study of rocks. 2nd ed.
260 _aNY
_bHarper , Bros.
_c1962
300 _a298
650 _aGeology , Mines
942 _2ddc
_cBK
999 _c3066
_d3066