KOCAŃDA, P.; PISZ, M.; RAJCHEL, B.; FILIPOWICZ, M. The Castle Hill in Biecz and fortified stronghold in Kobylanka: The results of interdisciplinary research from 2019. Analecta Archaeologica Ressoviensia, [S. l.], v. 15, p. 139–163, 2020. DOI: 10.15584/anarres.2020.15.8. Disponível em: https://journals.ur.edu.pl/anarres/article/view/1854. Acesso em: 27 lip. 2021.