1. J. Auborn: Mechanisms of Lubrication in Powder Metallurgy, Metal Powder Industries Federation, Princeton, NJ, 1993, vol. 2, pp. 17–25.
2. R.M. German: in Thermal Extraction of Binders and Lubricants in Sintering, T. Cadle and K.S. Narasimhan, eds., Metal Powder Industries Federation, Princeton, NJ, 1996, vol. 3, pp. 10-13–10-16.
3. B.I. Bondarenko, I.V. Voloshin, Y.A. Voloshina, V.D. Artemev, L.E. Rubinchik, and S.G. Ruzhanskii: Powder Metall. Met. Ceram., 1993, vol. 32, pp. 461–64.
4. J. McGraw, M.J. Koczak, and A. Kao: Int. J. Powder Metall., 1978, vol. 14, p. 277.
5. D. Saha and D. Apelian: Int. J. Powder Metall., 2002, vol. 38, pp. 71–79.