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2. BIPM IEC IFCC ILAC ISO IUPAC IUPAP and OIML 2008. Evaluation of measurement data - Guide to the expression of uncertainty in measurement. Joint Committee for Guides in Metrology JCGM 100. URL: https://www.bipm.org/documents/20126/2071204/JCGM_100_2008_E.pdf/cb0ef43f-baa5-11cf-3f85-4dcd86f77bd6.
3. Equivalent threshold sound pressure levels (ETSPLs) for RadioEar DD65v2 circumaural audiometric headphones
4. Influence of response-time limits on automated hearing threshold determination
5. IEC 60318-1 2009. Electroacoustics – Simulators of Human Head and Ear – Part 1: Ear Simulator for the Measurement of Supra-Aural and Circumaural Earphones. Geneva: International Electrotechnical Commission.