HÄLLFORS & HÄLLFORS (1988)

Hällfors, G. & Hällfors, S. (1988): Records of chrysophytes with siliceous scales (Mallomonadaceae and Paraphysomonadaceae) from Finnish innland waters. - In: Jones, R. & Ilmavirta, V. (eds): Flagellates in freshwater ecosystems. - Hydrobiologia 161 (Dev. Hydrobiol. 41): 1-29.