000 00301nam a22001217a 4500
008 120808b xxu||||| |||| 00| 0 eng d
050 _aQE26.2
_b.T38 1997
100 _alutgens. t.
245 _aearth science
250 _a8th
300 _a24
942 _2lcc
_cBK
_hQE26.2.T38 1997
999 _c65321
_d65321