References
- Browne, R. A., 1978: Growth, mortality, fecundity, biomass and productivity of four lake populations of the prosobranch snail, Viviparus georgianus. — Ecology 59: 742–750.
- Samochwalenko, T. & Stanczykowska, A., 1972: Fertility differentiation of two species of Viviparidae (Viviparus fasciatus Müll, and V. viviparus L.) in some environments. — Ekol. Pol. 20: 479–492.