000			00325nam a2200133Ia 4500
008			190927s9999 xx 000 0 und d
082			_a545 B569 1978
100			_aBlaedel, W. J.
245		0	_aElementary quantitative analysis : theory and practice
260			_a1256
260			_b655
260			_c1978
942			_cSUBREF
999			_c22260 _d22260