ONORM B 3124 Teil.9-1986 Testing of natural stone; mechanical properties of rock; modulus of elasticity, stress-strain curve and poisson's ratio under uniaxial compressive loading
1986ONORM B 3124 Teil.9-1986 Testing of natural stone; mechanical properties of rock; modulus of elasticity, stress-strain curve and poisson's ratio under uniaxial compressive loading