1) K. S. Narasimhan: "Recent Advances in Ferrous Powder Metallurgy, Advanced Performance Materials 3", pp 7-27 (1996).
2) Source -Automotive Magazines- Data compiled by Eric Boreczky (Private Communication).
3) P. King and B. Lindsley: "A New Cr-Bearing Alloy for High Performance Applications", Advances in Powder Metallurgy & Particulate Materials, MPIF, Princeton, NJ, (2005).
5) F. G. Hanejko, S. H. Luk and H. G. Rutz: "A New Method For Manufacturing High Performance Powder Metallurgy Components", Advances in Powder Metallurgy & Particulate Materials, Vol. 5, (1994), Compiled by C. Lall and A. J. Newpaver, pp 135-163, MPIF, Princeton, NJ.