000			00307nam a2200133Ia 4500
008			220314s9999||||xx |||||||||||||| ||und||
080			_a523
100			_aGamow, George
245		0	_aGravity
260			_bHeinemann Educational, London
300			_a157
650			_aDescriptive astronomy
942			_cBOOK
999			_c16065 _d16065