1. National Academy of Sciences (1979). Materials for Helicopter Gears, Final Report No. NMAB-351, Committee on Helicopter Transmission Gear Materials. Technical Report.
2. Korecki, M., Wołowiec-Korecka, E., Bazel, M., Sut, M., and Kreuzaler, T. (2005, January 17–21). Thomas Detlef. Outstanding Hardening of Pyrowear® Alloy 53 with Low Pressure Carburizing. Proceedings of the 70º Congresso Anual da ABM, Rio de Janeiro, Brazil.
3. AMS6308 Rev (2018). F-Steel, Bars and Forgings 0.90Si-1.0Cr-2.0Ni-3.2Mo-2.0Cu-0.10V (0.07–0.13C) Vacuum Arc or Electroslag Remelted, SAE International.
4. Technology, C. CarTech® Pyrowear® Alloy 53—Technical Datasheet.
5. Easton, D., Perez, M., Huang, J., and Rahimi, S. (2017). Effects of Forming Route and Heat Treatment on the Distortion Behaviour of Case-Hardened Martensitic Steel type S156. Heat Treat, 2017.