1. L. Arnberg, A. Karlsson, and H. Brandrup-Wognsen:Int. J. Powder Metall., 1988, vol. 24, pp. 215–23.
2. I. Olefjord and L. Nyborg:Modern Development of Powder Metallurgy, Metal Powder Industries Federation, Princeton, N J, 1988, vol. 18–21, pp. 93–107.
3. I. Olefjord and L. Nyborg:Powder Met., 1985, vol. 28, pp. 237–43.
4. R.E. Waters, J.A. Charles, and C. Lea:Met. Technol., 1981, vol. 8, pp. 194–200.
5. P.N. Ross and B.H. Kear: inRapidly Quenched Metals 111, Vol. 3, B. Cantor, ed., Chameleon Press, London, 1978, pp. 102–09.