1. Materials and applications series;A Kosmač,2015
2. Davis JR, editor. Surface hardening of steels: ASM International, Ohio, ISBN: 978-0-87170-764-2; 2002.
3. Higgins RA. “Engineering metallurgy” (Part I). 6th ed: Hodder Headline Group, London, ISBN 0 340 56830 5; 1993.
4. Brooks CR. Principles of the heat treatment of plain carbon and low alloy steels: ASM International, Ohio, 1996, ISBN 0 87170 538 9; 1996.
5. Digges TG, Rosenberg SJ, Geil GW. Heat treatment and properties of iron and steel, National Bureau of Standards Monograph, vol. 88, Washington D.C.; 1966.