FRITZ, G., SCHILL, R., PFANNKUCHEN, M. and BRÜMMER, F. (2007) “The freshwater jellyfish Craspedacusta sowerbii Lankester, 1880 (Limnomedusa: Olindiidae) in Germany, with a brief note on its nomenclature”, Journal of Limnology, 66(1), pp. 54-59. doi: 10.4081/jlimnol.2007.54.