Professor Helmut Jüngling (24.5.1949–16.9.2020) . o-bib. Das offene Bibliotheksjournal / Herausgeber VDB, [S. l.], v. 7, n. 4, p. 1–2, 2020. DOI: 10.5282/o-bib/5667. Disponível em: https://www.o-bib.de/bib/article/view/5667.. Acesso em: 5 may. 2024.