000			00319nam a2200133Ia 4500
005			20260413100654.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aMould Richard A
245		0	_aBasic Relativity
260			_bN york springs _c1994
300			_a450
942			_cGB
999			_c3469 _d3469