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2. American Society for Testing Materials 2002a 2002 book of ASTM standards, Volume 3.05 and 3.06, analytical chemistry for metals, ores and related materials (II) ASTM (West Conshohocken, PA) 1100
3. American Society for Testing Materials 2002b 2002 book of ASTM standards, Volume 5.06, Gaseous fuels, coal and coke ASTM (West Conshohocken, PA) 668
4. Determination of lead, uranium, thorium and thallium in silicate glass standard materials by isotope dilution mass spectrometry;Barnes;Analytical Chemistry,1973
5. Selective application of chemical separations to isotope dilution inductively coupled plasma-mass spectrometric analysis of standard reference materials;Beary;Analytical Chemistry,1993