Reference

B. Giering, Lothar Krienitz, Siegfried Jost Casper, Th. Peschke, H. Raidt (1990): LM and SEM observations on the asexual reproduction and lorica formation of Phacotus lendneri Chodat (Chlamydophyceae, Phacotaceae) – Arch. Protistenkunde – 138: 75 - 88.