000			00279nam a2200121Ia 4500
005			20251007104457.0
008			251006s9999 xx 000 0 und d
100			_aLong, Leon E.
245		0	_aGeology
260			_a1st ed. | .New York McGraw-Hill
260			_c1974
942			_cBOK
999			_c7959 _d7959