References
- Beresnev , B. I. and Efros , B. M. 1986 . Pressure generation in a diamond anvil apparatus.—Physica . 139–140B : 910 – 915 .
- Del , G. D. 1971 . “ Determination of stresses in plastic region by hardness distribution ” . 199 Moscow : Mashinostrojenije . (in Russian)