REIN, K. In memoriam Karl Kurt Klein (6. 5. 1897 — 10. 1. 1971). Südost-Forschungen, [S. l.], v. 1, n. 1, p. 296–300, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/11099. Acesso em: 19 mai. 2024.