Kravets, S. V., O. P. Posmitjukha, and V. M. Suponyev. “DETERMINING OF THE EQUIVALENT AND OPTIMUM DIAMETERS OF CONE-CYLINDER TIP WITH SOIL BROACHING SPURS”. Science and Transport Progress , no. 4(70) (September 4, 2017): 89–97. Accessed May 4, 2024. https://stp.ust.edu.ua/article/view/109483.