[1]
MarekM., „The Protection of the Northern Borders of the Kingdom of Hungary (Slovakia) with Poland in the Middle Ages”, Res Gestae, 2020, t. 11, s. 44-67, https://doi.org/10.24917/24504475.11.3, https://resgestae.up.krakow.pl/article/view/7546 dostępne na: 26.01.2021.