1. Hardness of tempered martensite in carbon and low-alloy steels
2. 2) J. I. Burns, T. L. Moore and R. S. Archer: Trans. ASM, 26 (1938), 1.
3. 3) G. Krauss: Hardenability concepts with applications to steel, ed. by D. V. Doane and J. S. Kirkaldy, Met. Soc. AIME, Warrendale, PA, USA, (1978), 229.
4. 4) G. R. Speich and H. Warlimont: J. Iron Steel Inst., 206 (1968), 385.
5. 5) J. M. Chilton and P. M. Kelly: Acta Metall., 16 (1968), 637.