Krmíček, L., and M. Závacký. “Triaxial Compression Testing of Multicomponent Geomaterials from Quartz-Poor (syenitic) Systems”. GeoScience Engineering, vol. 63, no. 4, Jan. 2018, pp. 1-7, http://geoscience.cz/ojs/index.php/GSE/article/view/156.