1. EN 12390-3:2011 Concrete Tests Part 3: The compressive strength of test samples (2011)
2. EN 12390-6:2011 Testing Hardened Concrete Part 6: Tensile splitting strength of test specimens (2011)
3. EN 1992-1-1:2004/AC, Eurocode 2: Design of concrete structures – Part 1-1: General rules and rules for buildings (2010)
4. Black M.S.: Journal of the Structural Division, 101, No. ST1 (1975)