TOFAN, George-Bogdan. In Memoriam: † ACAD. ALEXANDRU UNGUREANU (1941 - 2024). Studia Universitatis Babeș-Bolyai Geographia, [S. l.], v. 69, n. 2, p. 135–148, 2024. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbgeographia/article/view/8928. Acesso em: 22 feb. 2025.