ferritic nitro carburizing information
by D. T. Llewellyn, Roger C. Hudd - 1998 - Technology & Engineering - 400 pagesby A. D. Roberts - 1992 - Technology & Engineering - 350 pagesby David Pye - 2003 - Technology & Engineering - 256 pagesby J. J. C. Hoo, American Society for Testing and - 1993 - Technology & Engineering - 314 pages. .