1. Amrén, H., 1964. Ecological studies of zooplankton populations in some ponds on Spitsbergen. Zoologiska Bidrag från Uppsala 36: 161–191.
2. Arndt, H., 1988. Dynamics and production of a natural population of Brachionus plicatilis (Rotatoria, Monogononta) in a eutrophicated inner coastal water of the Baltic. Kieler Meeresforschungen Sonderheft 6: 147–153.
3. Arndt, H., 1991. Population dynamics and production of estuarine planktonic rotifers in the southern Baltic: Brachionus quadridentatus (Hermann, 1783). Acta Ichthyologica et Piscatoria Supplement 21: 7–15.
4. Becks, L. & A. F. Agrawal, 2012. The evolution of sex is favoured during adaptation to new environments. PLoS Biology 10(5): e1001317.
5. Carlin, B., 1943. Die Planktonrotatorien des Motalaström. Meddelanden från Lunds Universitets Limnologiska Institution 5: 1–256.