1. K.A. Taylor, S.W. Thompson, F.B. Fletcher (Eds.), Physical Metallurgy of Direct-Quenched Steels, Proceedings of Symposium, TSM and ASM, Chicago, Ilionis, 1992.
2. T. Siwecki, B. Hutchinson, S. Zajac, Proceedings of International Conference on Microalloying’95, Iron and Steel Society, Pittsburg, PA, 1995, p. 197.
3. J. Adamczyk, Proceedings Conference Materials, Mechanical and Manufacturing Engineering, Gliwice, 2000 p. 19.