1. Drochytka R. et al. (2009), Progressive Building Materials with Utilization of Secondary Raw Materials and their Impact on Structures Durability. Final report of the project VVZ CEZ MSM: 0021630511, BUT Brno
2. Brozovsky, J., Matejka, O. and Martinec, P. (2007), Concrete Interlocking Paving Blocks Compression strenght Determination Using Non-Destructive Methods. The e-Journal of Nondestructive Testing, vol. 12, n. 4, pp. 91–97.
3. Janko, J. (1958), Statistical Tables, NČSAV, Prague.
4. CSN ISO 6784 (1993), Concrete-Determination of Static Modulus of Elasticity in Compression, Czech Standards Institute, Prague.
5. CSN EN 12390-3 (2009), Testing hardened concrete - Part 3: Compressive Strength of Test Specimens, Czech Standards Institute, Prague.