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3. Fabrication of flexible Ir and Ir-Rh wires and application for thermocouple;Murakami;J. Cryst. Growth,2018
4. Available at: https://www.heraeus.com/en/hpm/pm_prices/charts/charts.html, Accessed at 22th May 2022.
5. F. Hoffman, Bericht Ver. Fabrik. feueriest. Prod. (Report of the United. Factories of Refractory Products), Vol. 29, 1909, pp. 45.