VALEV, Peter. Ancient sundials from Moesia and Thracia (The sundial found at Montand) . Balcanica Posnaniensia. Acta et studia, [S. l.], v. 5, p. 163–182, 1990. DOI: 10.14746/bp.1990.5.14. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/52693. Acesso em: 8 aug. 2026.