000 00319nam a2200133Ia 4500
008 190719s9999 xx 000 0 und d
020 _a0-675-20537-9
082 _a551.7 L556
100 _aLEMON,R.R
245 0 _aPRINCIPLES OF STRATIGRAPHY
260 _aCOLUMBUS
_bMERILL
_c1990
300 _a25X19
942 _cBK
_2DDC
999 _c44553
_d44553