D. Zakarian, A. Khachatrian, et al. “Modulus of Elasticity of LaB6 a MeB2 (Me a Ti, Zr, Hf) Composite at High Temperatures Based on the Interfacial Interactions”. Global Journal of Science Frontier Research, vol. 17, no. A1, Jan. 2017, pp. 27-30, https://journalofscience.org/index.php/GJSFR/article/view/101106.