000			00350nam a2200145Ia 4500
008			170101s1965 xx 000 0 und d
082			_a550 S65G
100			_aSpencer, Edger Winston
245		0	_aGeology; a survey of earth science
260			_aN.Y. _bCrowell _c1965
300			_a653
650			_aGEOLOGY
653			_aGEOLOGY
942			_2ddc _cB
999			_c23084 _d23084