Petrakiev I. Статистически и хронологически анализ на монетите от средновековната крепост „Ряховец“: Statistical and chronological analysis of the coins from Ryahovets medieval fortress. NSE [Internet]. 2018 Dec. 28 [cited 2026 Oct. 12];14:151-70. Available from: https://publications.naim.bg/index.php/NSE/article/view/122