Grom, Janez, Alenka Fikfak, and Luka Skansi. “Fortifications of the Rapallo Border and Their Role As Co-Creators of Space / Rapallo Sienos įtvirtinimai Ir Jų Vaidmuo Kuriant Erdvę”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 10 (May 11, 2018). Accessed November 14, 2019. https://journals.vgtu.lt/index.php/MLA/article/view/1485.