References
- Golubic, S., 1973: The relationship between blue-green algae and carbonate deposits. — In: N. Carr & B. A. Whitton (eds.), The Biology of Blue-green Algae, 434–472. Blackwell Scientific Publications, Oxford.
- Roddy, H. J., 1915: Concretions in streams formed by the agency of blue-green algae and related plants. — Proc. Amer. phil. Soc. 54, 246–258.