000			00326nam a2200133Ia 4500
005			20260205095357.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a523.1 H998C
100			_aHYNEK ALLEN J
245		0	_aCHALLENGE OF THE UNIVERSE
260			_aNEW YORK _bSCHDASTIC BOOK _c1962
300			_a143
942			_cBK
999			_c210222 _d210222