1. C.J.B. Fincham and F.D. Richardson: Proc. Roy. Soc. (Lond.), 1954, vol. A223, pp. 40–62.
2. C.J.B. Fincham and F.D. Richardson: J. Iron Steel Inst., 1954, vol. 178, pp. 4–14.
3. P.T. Carter and T.G. Macfarlane: J. Iron Steel Inst., 1957, vol. 185, pp. 54–62.
4. K.P. Abraham and F.D. Richardson: J. Iron. Steel Inst., 1960, vol. 196, pp. 313–17.
5. M. Görnerup and O. Wijk: Scand. J. Metall., 1996, vol. 25, pp. 103–07.