1. D. C. Ginnings, T. B. Douglas, and A. F. Ball, U. S. Department of Commerce National Bureau of Standards, Part of the Journal of Research of the National Bureau of Standards, 45, July, Res. Pap. RP2110, 23–33 (1950), https://doi.org/10.6028/jres.045.003.
2. G. T. Furukawa, T. B. Douglas , R. E. McCoskey, and D. C. Ginnings, Journal of Research of the National Bureau of Standards, 57, No. 2, Aug., Res. Pap. 2694, 67–82 (1956), https://doi.org/10.6028/jres.057.008.
3. Abe Haruka, “A survey on specific heat capacity standard and calorimetric energy standards,” NMIJ Measurement Standard Report, 7, No. 2, Dec., 101–116 (2008), https://unit.aist.go.jp/nmij/public/report/bulletin/Vol7/2/V7N2P101.pdf, acc. Jan. 15, 2020.
4. A. Pramann, H.-W. Krupke, Y. Moriya, et al., “Phase transitions of gallium and indium, determined by adiabatic calorimetry,” Bunsentagung, Saarbrücken, May 1–3, 2008, https://www.ptb.de/cms/fileadmin/internet/fachabteilungen/abteilung_1/1.4_gase/1.44/Adiabatische_Kalorimetrie.pdf, acc. Jan. 15, 2020.
5. PTB-Mitteilungen (1993), Heft 6, https://www.ptb.de/cms/fileadmin/internet/publikationen/ptb_mitteilungen/mitt_pdf_vor_2007/1993/PTBMitteilungen,1993_6.pdf, acc. Jan. 15, 2020.