Template:Hegewald, Schnepf & Aldave, 1980
- Hegewald, E., Schnepf, E. & Aldave, A. 1980. Investigations on the lakes of Peru and their phytoplankton. 5. The algae of Laguna Piuray and Laguna Huaypo, Cuzco, with special reference to Franceia, Oocystis and Scenedesmus. Algological Studies/Archiv für Hydrobiologie, Supplement Volumes 25: 387–420.