Reich M. A short biography of Hubert Ludwig and a note on the publication dates of his monograph Die Seewalzen (1889–1892). Zootaxa [Internet]. 2015 Dec. 3 [cited 2025 Aug. 22];4052(3):332–344. Available from: https://www.mapress.com/zt/article/view/zootaxa.4052.3.3