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Janet Geisselsoder, Karl Koepke, J. S. Laughlin, Calorimetric Determination of Absorbed Dose and G_ Fe⁺⁺⁺ of the Fricke Dosimeter with 10-Mev and 20-Mev Electrons, Radiation Research, Vol. 20, No. 3 (Nov., 1963), pp. 423-430
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Geisselsoder et al. (1963) studied this question.
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