References
- Calow, P., 1975 a: The feeding strategies of two freshwater gastropods, Ancylus fluviatile Müll, and Planorbis contortus Linn. (Pulmonate) in terms of ingestion rates and absorption efficiencies. — Oecologia (Berl.) 20: 33–49.
- Calow, P., 1975 b: Defaecation strategies of two freshwater gastropods, Ancylus fluviatilis Müll, and Planorbis contortus Linn. (Pulmonata) with a comparison of field and laboratory estimates of food absorption rate. — Oecologia (Berl.) 20: 51–63.
- Calow, P. & Fletcher, C. R., 1972: A new radiotracer technique involving 14C and 51Cr, for estimating the assimilation efficiencies of aquatic, primary consumers. — Oecologia (Berl.) 9:155–170.
- McMahon, R. F., Hunter, R. D. & Russel-Hunter, W. D., 1974: Variation in Aufwuchs at six freshwater habitats in terms of carbon biomass and of carbon: nitrogen ratio. — Hydrobiologia 45: 391–404.
- Streit, B., 1975 a: Experimentelle Untersuchungen zum Stoffhaushalt von Ancylus fluviatilis (Gastropoda — Basommatophora). 1. Ingestion, Assimilation, Wachstum und Eiablage. — Arch. Hydrobiol./Suppl.. 47: 458–514 (with English summary).
- Streit, B., 1975 b: Experimentelle Untersuchungen zum Stoffhaushalt von Ancylus fluviatilis (Gastropoda — Basommatophora). 2. Untersuchungen über Einbau und Umsatz des Kohlenstoffs. — Arch. Hydrobiol./Suppl. 48: 1–46 (with English summary).