WITKOWSKA, K. Research on medieval building materials from Radzyń Chełmiński castle. Acta Universitatis Nicolai Copernici [Heritage Studies and Conservation Science], [S. l.], v. 48, p. 37–56, 2018. DOI: 10.12775/AUNC_ZiK.2017.002. Disponível em: https://apcz.umk.pl/AUNC_ZiK/article/view/AUNC_ZiK.2017.002. Acesso em: 18 jul. 2024.