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Schütz, Dolores; Wirtz, Sabine; Maan, Martine E.; Taborsky, Michael (2016). Sexual selection promotes colonial breeding in shell-brooding cichlid fish. Animal behaviour, 112, pp. 153-161. Elsevier Ltd. 10.1016/j.anbehav.2015.11.022
Wirtz, Sabine; Steinmann, Patrick (2006). Sperm characteristics in perch Perca fluviatilis L. Journal of fish biology, 68(6), pp. 1896-1902. Oxford: Blackwell 10.1111/j.1095-8649.2006.01065.x
