Linkel, Artūras, Julius Griškevičius, and Gintaras Jonaitis. 2015. “Research on the Influence of the Properties of Intervertebral Disc Stiffness of the Lumbar Spine on the Displacement of Veretbrae”. Mokslas – Lietuvos Ateitis / Science – Future of Lithuania 6 (6):595-97. https://doi.org/10.3846/mla.2014.758.