Alūzienė, Rūta, and Jonas Sidaravičius. “The Methodology for Calculating Book Backbones”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 2, no. 4 (August 31, 2010): 28–30. Accessed October 19, 2025. https://transport.vilniustech.lt/index.php/MLA/article/view/10130.