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Vinarski, M. V.; Schniebs, K.; Glöer, P.; Son, M. O.; Hundsdoerfer, A. K. (2012). The steppe relics: taxonomic study on two lymnaeid species endemic to the former USSR (Gastropoda: Pulmonata: Lymnaeidae). Archiv für Molluskenkunde. 141(1): 67-85.