De Vries, E. J. (1985). The biogeography of the genus Dugesia (Turbellaria, Tricladida, Paludicola) in the Mediterranean region. J Biogeography, 12: 509-518
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De Vries, E. J.
1985
The biogeography of the genus Dugesia (Turbellaria, Tricladida, Paludicola) in the Mediterranean region.