Krupa, Karol, and Maciej Trochonowicz. 2016. “Protecting of Spatial and Cultural Value of Downtown Lublin, by Maintenance of Modernist Edifice of the Universal Department Store in Lublin”. Budownictwo I Architektura 15 (4):173-81. https://doi.org/10.24358/Bud-Arch_16_154_17.