Gönczi, Ambrus, Zsolt László Márkus, Gábor Kaposi, Tibor Szkaliczki, and Miklós Veres. “Thematic Walk and Competition in Budapest”. Digital Presentation and Preservation of Cultural and Scientific Heritage 7 (September 10, 2017): 123–132. Accessed April 24, 2024. https://dipp.math.bas.bg/dipp/article/view/dipp.2017.7.11.