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024 _a68168
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aHv, L6;M0;2-;8
100 _aPoort Jon M
245 0 _aHistorical geology: Interpretations and applications
250 _a3rd
260 _c1980
300 _ap.
_ccm.
650 _aGeology
942 _hHv, L6;M0;2-;8
_cTEXL
_2CC
999 _c32876
_d32876