FRITZ, Gisela B., Ralph O. SCHILL, Martin PFANNKUCHEN, and Franz BRÜMMER. “The Freshwater Jellyfish Craspedacusta Sowerbii Lankester, 1880 (Limnomedusa: Olindiidae) in Germany, With a Brief Note on Its Nomenclature”. Journal of Limnology 66, no. 1 (February 1, 2007): 54–59. Accessed April 20, 2024. https://www.jlimnol.it/jlimnol/article/view/jlimnol.2007.54.