1. Kuhn, H.A. and Ferguson, B.L., Powder Forging, Princeton, NJ: Metal Powder Industries Federation, 1990.
2. Selecká, M. and Šalak, A., Durability and failure of powder forged rolling bearing rings, Wear, 1999, vol. 236, no. 1, pp. 47–54.
3. Dorofeev, B.Yu., Dorofeev, V.Yu., and Atras, A.N., Powder parts from waste sludge of bearing production, Avtomob. Prom-st., 1988, no. 4, pp. 32–34.
4. Orlov, A.V., Chermenskii, O.N., and Nesterov, V.M., Ispytaniya konstruktsionnykh materialov na kontaktnuyu ustalost' (Tests of Structural Materials for Rolling Contact Fatigue), Moscow: Mashinostroenie, 1980.
5. Huppmann, W.J. and Hirschvogel, M., Powder forging, Int. Met. Rev., 1978, no. 5, pp. 209–239.