000 00285nam a2200121Ia 4500
001 25328
008 170722s9999 xx 000 0 und d
100 _aStam, 9l Dudley
245 _aIntroduction to strtigraphy
_bBritish isles /
250 _a3rd ed.
260 _c1957.
942 _cGEN
999 _c58277
_d58277