1. ICFG Doc. 8/91: Lubrication Aspects in Cold Forging of Carbon Steels and Low Alloy Steels. The Int. Cold Forging Group, 1991.
2. ICFG Doc. 10/95: Lubrication Aspects in Cold Forging of Aluminium and Aluminium Alloys. The Int. Cold Forging Group, 1991.
3. Bay N. (1994) The State of the Art in Cold Forging Lubrication, in: Invited paper at the 2nd International Cold & Warm Forging Conference, Columbus, Ohio, September 27–29, Journal of Materials Processing Technology 46: 19–40.
4. Aspects of Lubrication in Cold Forging of Aluminium and Steel. Keynote paper;Bay,1995
5. Surface Treatment for the Cold Forging of Steel: Part I;Geiger;Wire,1983