Navikas, Deividas, and Henrikas Sivilevičius. “Research of Railway Aggregate Sub-Ballast Mixture Properties”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 7, no. 5 (February 2, 2016): 540-545. Accessed April 23, 2024. https://journals.vilniustech.lt/index.php/MLA/article/view/2755.