REICH, M. A short biography of Hubert Ludwig and a note on the publication dates of his monograph Die Seewalzen (1889–1892). Zootaxa, Auckland, New Zealand, v. 4052, n. 3, p. 332–344, 2015. DOI: 10.11646/zootaxa.4052.3.3. Disponível em: https://mapress.com/zt/article/view/zootaxa.4052.3.3. Acesso em: 4 apr. 2025.