Danielewski, M. (2025). The place of the Poznań stronghold and its significance for Wielkopolska and the Piast realm emerging in the 10th and the first half. Slavia Antiqua. Rocznik poświęcony starożytnościom słowiańskim, (66), 123–147. https://doi.org/10.14746/sa.2025.66.5 (Original work published 5 grudzień 2025)