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Sexrecognition in surface and cave dwelling male Atlantic molliesPoecillia mexicana (Poecilliidae, Teleostei) Plath, M., Wiedemann, K.,Parzefall, J. & Schlupp, I. 765
Social relationships in a group ofhorses without a mature stallion Sigurjónsdóttir, H., van Dierendonck, M.C.,Snorrason, S. & Thórhallsdóttir, A.G. 783
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