1. J.A. Asteljoki, L.K. Bailey, D.B. George, and D.W. Rodolff: J. Met., 1985, vol. 20, pp. 245-250.
2. K.E. Sutliff, T.I. Probert, and C.T. Unger (partI) and J.E. Hoffmann, K.E. Sutliff, B.A. Wells, and D.B. George (Part II): JOM, 1996, vol. 48(8), pp. 42–44.
3. P. Hanniala, I. Kojo, and M. Kytö: TMS, 1994, pp. 107–19.
4. P. Hanniala, I. Kojo, and M. Kytö. TMS, 1998, pp. 239–47.
5. D. George. TMS, 2000, pp. 3–13.