Radkevych, O. V., S. O. Yakovliev, L. M. Bondarenko, and O. O. Stepanenko. “THE RATIO BETWEEN THE FORCES OF FRICTION WINDING AND ROLLING WHEELS OF THE CRANE: EXPERIMENTAL EVALUATION”. Science and Transport Progress, vol. 10, no. 10, Mar. 2006, pp. 67-71, doi:10.15802/stp2006/19458.