000			00287nam a2200121Ia 4500
005			20260205042322.0
008			260111s9999||||xx |||||||||||||| ||und||
100			_aAdler, Irving Ruth
245		0	_aEarth's crust
260			_aLond. _bDennis Dobson _c1963
300			_a50p.
942			_cBK
999			_c31507 _d31507