KOSZAŁKA, J.; STRZELCZYK, J. E. The grain storehouse from the early Mediaeval stronghold at Józefów near Kalisz. Fasciculi Archaeologiae Historicae, [S. l.], v. 18, 2006. Disponível em: https://journals.iaepan.pl/fah/article/view/1373. Acesso em: 3 may. 2024.