Sysyn, Mykola, Olga Nabochenko, Vitalii Kovalchuk, and Ulf Gerber. “EVALUATION OF RAILWAY BALLAST LAYER CONSOLIDATION AFTER MAINTENANCE WORKS”. Acta Polytechnica 59, no. 1 (February 28, 2019): 77–87. Accessed May 6, 2024. https://ojs.cvut.cz/ojs/index.php/ap/article/view/5020.