Bogatov & Zatravkin 1987. Gastropoda of fresh and brackish waters of the Soviet Far East. Starobogatov, Ya.I.; Golikov, A.N.; Likharev, I.M.[Eds]. Molluscs. Results and perspectives of investigation. Eighth Meeting on the Investigation of Molluscs. Abstracts of communications., USSR Acad. Sci., Zoological Institute, Leningrad, 1987: 7-11. Chapter pagination: 196-200