1. W.J. Parker, R.J. Jenkins, C.P. Butler, G.L. Abbott, J Appl Phys. 32, 1679–1684 (1961)
2. L. Wright, A. Farooqui, J. Wu, R. Morrell, M. Pekris, M. Whiting, In: 34th International Thermal Conductivity Conference (ITCC) and the International Thermal Expansion Symposium (ITES) (DEStech Publications Inc, Wilmington, Delaware, 2019), pp.3–12
3. Burchell TD, Pavlov TR. Roger Stoller RJMK, editor. Comprehensive Nuclear Materials: Second Edition. Elsevier Science; Amsterdam 2020. 355–381 p.
4. Salmon D, Roebben G, Lamberty A, Brandt R. Report EUR 21764 EN. 2007. Available from: http://www.irmm.jrc.be/html/reference_materials_catalogue/catalogue/attachements/BCR-724_report.pdf
5. P. Bloembergen, Metrologia 46, 534–543 (2009)