Gazda, L., Bevz, M., & Gołub, S. (2022). Building Materials and Architectural Details of Natural Stone used in the 13th Century Castle Buildings of King Daniel in the City of Chełm. Teka Komisji Architektury, Urbanistyki I Studiów Krajobrazowych, 18(2), 41–54. https://doi.org/10.35784/teka.3270