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Meier-Brook, C. (1983). Taxonomic studies on Gyraulus (Gastropoda: Planorbidae). Malacologia. 24 (1/2): 1-113. Ann Arbor [29 September].
Meier-Brook, C. (1983). Taxonomic studies on Gyraulus (Gastropoda: Planorbidae). Malacologia. 24 (1/2): 1-113. Ann Arbor [29 September].