RÖSCH, Hermann; OSSWALD, Achim. Engelbert Plassmann (23. März 1935 – 6. November 2021) . o-bib, [S. l.], v. 8, n. 4, p. 1–3, 2021. DOI: 10.5282/o-bib/5790. Disponível em: https://o-bib.de/index.php/bib/article/view/5790. Acesso em: 14 nov. 2026.