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Kruglov N.D., Starobogatov Ya.I. (1983). Endemic Lymnaea of the subgenus Peregriana in the Siberian subregion of Palearctic. Molluscs, taxonomy, ecology and regularities of distribution. Seventh meeting on the Investigation of Molluscs. Abstracts of communications. Leningrad: Nauka, 139-141. In Russian.
Kruglov N.D., Starobogatov Ya.I. (1983). Endemic Lymnaea of the subgenus Peregriana in the Siberian subregion of Palearctic. Molluscs, taxonomy, ecology and regularities of distribution. Seventh meeting on the Investigation of Molluscs. Abstracts of communications. Leningrad: Nauka, 139-141. In Russian.