Gravili, C., R. Pagliara, W. Vervoort, J. Bouillon, and F. Boero. “Trends in Hydroidomedusan Research from 1911 to 1997”. Scientia Marina 64, no. S1 (December 30, 2000): 23–29. Accessed March 29, 2024. https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/789.