SCHÜZ, E. Vogelkundliche Planarbeit in Hohenzollern. Zollerheimat, [S. l.], v. 3, n. 2, p. 13–14, 1934. DOI: 10.53458/zh.v3i2.8834. Disponível em: https://journals.wlb-stuttgart.de/index.php/zh/article/view/8834. Acesso em: 22 dez. 2024.