Yoshino, Takashi, Atsushi Matsuoka, and Naoko Kishimoto. “Geometrical Properties of Skeletal Structures of Radiolarian Genus Didymocyrtis”. Image Analysis and Stereology 38, no. 3 (December 13, 2019): 237–244. Accessed April 30, 2025. http://233.ablak.arnes.si/ojs/index.php/IAS/article/view/2089.