1. Hertz H. On the contact of elastic solids. Journal für die reine und angewandte Mathematik. 1881;92(156-171):110
2. Mackerle J. Finite element and boundary element simulations of indentation problems: A bibliography (1997-2000). Finite Elements in Analysis and Design. 2001;37(10):811-819
3. ASTM E10-15. Standard Test Method for Brinell Hardness of Metallic Materials. In: ASTM International. editor. West Conshohocken, PA: ASTM; 2015
4. Song J, Ma L, Low SR. Finite-element modeling and experimental comparisons of the effects of deformable ball indenters on Rockwell B hardness tests. Journal of Testing and Evaluation. 2003;31(6):1-10
5. Tabor D. The hardness of solids. Review of Physics in Technology. 1970;1(3):145-179