000			00351nam a2200145Ia 4500
008			180626s9999 xx 000 0 und d
082			_a531.14 En32g
100			_aEngelbrektson, Sune
245		0	_aGravity at work and play
260			_aNew York
260			_b"Holt, Rinehart and Winston"
260			_c1963
300			_a26 p
650			_aGravity
999			_c47924 _d47924