000 00366nam a2200157Ia 4500
008 140317s9999 xx 000 0 und d
082 _a552.5
100 _aSpock,L.E.
245 _aGuide to the study of rocks.
260 _aNew York
_bHarper and Brothers
_c1953
300 _a256
650 _aGeology
653 _aGeology
653 _aRocks
942 _2ddc
_cBK
999 _c1385
_d1385