000 00316pam a2200145a 44500
082 _a552
_bSp6g2
100 _aSpock, Leslie Erskine
245 1 _aGUIDE TO THE STUDY OF ROCKS
250 _a2nd
260 _aN. Y.
_bHarper
_c1962
300 _a298
650 _aPetrology
964 _gCIRC
997 _a74153 C
999 _c416183
_d416183