[1] AB SANVIK COROMANT. Modern Metal Cutting. Sandviken: Sandvik Coromant, Technical Editorial dept., 1994. ISBN 91-972299-0-3.
[2] BUNSHAH, R.F. Handbook of Hard Coating. Noyes Publication/William Publishing, N. York: 2001,550 p. ISBN 0-8155-1437-7 .