Repas, Martina. “Use of Unregistered Signs in Commercial Transactions: Scope and Limitations of Legal Protection”. In 65 Pravne Znanosti V Mariboru, edited by Martina Repas, 9–36. University of Maribor Press, 2026. Accessed August 6, 2026. https://press.um.si/index.php/ump/catalog/book/1143/chapter/1378.