1. Komai, M., Yamasaki, Y., Ozaki, Sh., and Takagi, K., Mechanical properties of Mo2NiB2 base hard alloys and crystal structures of boride phases, J. Japan Inst. Metals, 1994, vol. 58, no. 8, pp. 959–965.
2. Takagi, K., Yamasaki, Y., and Komai, M. High-strength boride base hard materials, J. Sol. State Chem., 1997, vol. 133, pp. 243–248.
3. Yamasaki, Y., Nishi, M., and Takagi, K., Development of very high strength Mo2NiB2 complex boride base hard alloy, J. Sol. State Chem., 2004, vol. 177, pp. 551–555.
4. Takagi, K., Development and application of high strength ternary boride base cermets, J. Sol. State Chem., 2006, vol. 179, pp. 2809–2818.
5. Kublii, V. and Bondar, A., Boron-molybdenum-nickel, in: Landolt-Börnstein, Numerical Data and Functional Relationships in Science and Technology (New Series) Group IV: Physical Chemistry, Edited by W. Martinsen. Ternary Alloy Systems. Phase Diagrams, Crystallographic and Thermodynamic Data Critically Evaluated by MSIT, Edited by G. Effenberg, S. Ilyenko, Berlin, Heidelberg: Springer-Verlag, 2010, vol. 11E2, pp. 1–18.