1. Empirical strength for rock masses;Hoek;J. Geotech. Eng. Div. ASCE,1980
2. Jaky, J. (1944). The coefficient of earth pressure at rest. In Hungarian (A nyugalmi nyomas tenyezoje). J. Soc. Hung. Eng. Arch. (Magyar Mernok es Epitez Egylet Kozlonye), 355–358.
3. Die Bestimmung der Bruchenegie an Würfelproben’ (Fracture energy determination of concrete with cube-shaped specimens);Linsbauer;Zement Beton,1986
4. Linsbauer, H.N., Šajna, A., 1994. Size-effect sensitivity – three-point bending test versus wedge splitting test. In: Carpinteri, A. (Ed.), Symposium, October 3–7, 1994, Politectnico di Torino, Turin, Italy. Size-scale Effects in the Failure Mechanisms of Materials and Structures: Proceedings of the International Union of Theoretical and Applied Mechanics (IUTAM), E and FN Spon, London, pp. 427–439.
5. Estimating the geotechnical properties of heterogeneous rock mass such as flysch;Marinos;Bull. Eng. Geol. Environ.,2001