BURTZ, Ulfried. Nachruf auf Helmut Rumpler (1935–2018) Kurzbiographie. ISTRAŽIVANJA, Јournal of Historical Researches, [S. l.], n. 29, p. 201–202, 2018. DOI: 10.19090/i.2018.29.201-202. Disponível em: https://istrazivanja.ff.uns.ac.rs/index.php/istr/article/view/2127. Acesso em: 24 nov. 2024.