1. Erkens G., Vetter J., Mueller J., Mohnfeld A., Plasma-Assisted Surface Coating. (Landsberg: Verlag Moderne Industrie, 2011).
2. Boxman R.L., Martin P.L., Sanders D.M., Handbook of Vacuum Arc Science and Technology. (New Jersey: Noyes Publications, 1995).
3. Buske M.J., Randhawa H.S., Physical vapour deposition dual coating process, patent US000005234561A, 1993.
4. Vettera J., Kubota K., Isaka M., Mueller J., Krienke T., Rudigier H., J. Surf. Coat. Technol., 350, 154, 2018; doi: 10.1016/j.surfcoat.2018.05.075
5. Munz W.D., Hauzer F.J.M., Schulze D., Buil B., J. Surf. Coat. Technol., 49, 161, 1991. doi: 10.1016/0257-8972(91)90049-3