000			00325nam a2200145Ia 4500
008			170101s1964 xx 000 0 und d
082			_a510.782 3 S11S
100			_aSAFFOLD, Robert
245		0	_aSlide rule
260			_bLondon _c1964
300			_a468p
650			_aSLIDE RULE
653			_aSLIDE RULE
942			_2ddc _cB
999			_c23216 _d23216