000			00277nam a2200121Ia 4500
005			20260205041850.0
008			260111s9999||||xx |||||||||||||| ||und||
100			_aAdler, Irving
245		0	_aTools of science
260			_aLond. _bDennis _c1959
300			_a158p.
942			_cBK
999			_c22827 _d22827