Y, R., MP, F., & RM, S. (1999). Precise determination of element/calcium ratios in calcareous samples using sector field inductively coupled plasma mass spectrometry. Analytical chemistry, 71(15), 3248. https://doi.org/10.1021/ac981410x
Chicago Style (17th ed.) CitationY, Rosenthal, Field MP, and Sherrell RM. "Precise Determination of Element/calcium Ratios in Calcareous Samples Using Sector Field Inductively Coupled Plasma Mass Spectrometry." Analytical Chemistry 71, no. 15 (1999): 3248. https://doi.org/10.1021/ac981410x.
MLA (9th ed.) CitationY, Rosenthal, et al. "Precise Determination of Element/calcium Ratios in Calcareous Samples Using Sector Field Inductively Coupled Plasma Mass Spectrometry." Analytical Chemistry, vol. 71, no. 15, 1999, p. 3248, https://doi.org/10.1021/ac981410x.