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The origins of Beer's lawH. G. Pfeiffer, H. A. Liebhafsky|Journal of Chemical Education|1951Cited by 80
X-Ray Absorption and EmissionH. A. Liebhafsky, H. G. Pfeiffer, Earl H. Winslow|Analytical Chemistry|1960Cited by 62
Precision in X-Ray Emission SpectrographyH. A. Liebhafsky, P. D. Zemany, H. G. Pfeiffer|Analytical Chemistry|1955Cited by 42