Aniskin, A., A. Shkola, і V. Premur. Experimental Study of Shear Strength Anisotropy of Granula Medium Considering Technology Factors. ACADEMIC JOURNAL Industrial Machine Building, Civil Engineering, т. 3, вип. 45, ПНТУ, Apr. 2017, с. 144-51, https://journals.nupp.edu.ua/znp/article/view/187.