Boháčová I, Dvořák V. Reconstruction of early medieval fortification and its development: Types and changes in fortification elements (9th–11th century) in the testimony of sources from the former Imperial Stables of Prague Castle and the adjacent courtyard. Arch Rozhl [Internet]. 2022 Sep. 1 [cited 2024 May 3];74(2):241-74. Available from: https://archeologickerozhledy.cz/index.php/ar/article/view/7