1. Glaser, F.W., Ivanick, W., “The Pseudo-Binary System ZrB2-TiB2”, Powder Metall. Bull., 6, 126 (1953) (Crys. Structure, Electr. Prop., Experimental, Kinetics, Phase Diagram, Phase Relations, 3)
2. Meerson, G.A., Samsonov, G.V., Kotelnikov, R.B., Izv. Sekt. Fiziko-Khimich. Analiza, 25, 89 (1954) as quoted by [1969Rud]
3. Post, B., Glaser, F.W., Moskowitz, D., “Transition Metal Diborides”, Acta Metall., 2, 20–25 (1954) (Crys. Structure, Experimental, Morphology, 14)
4. Meerson, G.A., Samsonov, G.V., Kotelnikov, R.B., Tseitina, N.Ya., “Vacuum Thermal Production of Borides of Refractory Metals”, Sborn. Nauch. Trudov Moskov. Inst. Tsvet, (25), 209 (1955) as quoted by [1969Rud]
5. Eckert, T.E., “Part II. Ternary Systems. Ti-Zr-B System. Investigation of Pseudobinary Systems ZrB2-NbB2, ZrB2-TaB2, and HfB2-NbB2” in “Ternary Phase Equilibria in Transition Metal-B-C-Si Systems”, Techn. Rep. AFML-TR-65-2, Contact No. USAF 33(615)-1249 Air Force Materials Laboratory, Wright-Patterson Air Force Base, OH, AD-8039, 1–47 (1966) (Phase Diagram, Phase Relations, Experimental) as quoted by [1969Rud]