1. Anastopoulos, J. 1962. Recognition of Geological and Ore Geological Conditions of Paros Lychnitis. IGME [in Greek].
2. Review of a new shear-strength criterion for rock joints
3. The shear strength of rock and rock joints;Barton;International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts,1976
4. Barton, N.R. & Bandis, S.C. 1990. Review of predictive capabilities of JRC–JCS model in engineering practice. In: Barton, N. & Stephansson, O. (eds) Rock Joints, Proceedings of International Symposium on Rock Joints, Loen, Norway. Balkema, Rotterdam, 603–610.
5. The shear strength of rock joints in theory and practice;Barton;Rock Mechanics and Rock Engineering,1977