TORBATOV, S. Palatium/Palatiolum (античното селище при с. Байкал, Плевенско): Palatium/Palatiolum (the ancient settlement under the modern village of Baykal, Pleven District). Bulgarian e-Journal of Archaeology | Българско е-Списание за Археология, [S. l.], v. 5, n. 1, p. 15–36, 2015. Disponível em: https://be-ja.org/index.php/journal/article/view/be-ja-5-1-2015-15-36. Acesso em: 29 jun. 2022.