1. T. Húlan, A. Trník, and I. Štubňa, Vesntik MGOU, seria fyzika – matematika, 2014, 21–29 (2014).
2. ASTM E1876-15, Standard Test Method of Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio by Impulse Excitation of Vibration (ASTM International, West Conshohocken, PA, 2015).
3. Determination of Young's Modulus of Ceramics from Flexural Vibration at Elevated Temperatures
4. M. Vrabec (private communication).
5. EN 60672-3, Ceramic and Glass-Insulating Materials – Part 3: Specifications for Individual Materials (CEN, 1997)