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Bernasconi, R. (1997). Conchological variability of Heleobia [Semisalsa] dobrogica (Mollusca Prosobranchia Hydrobiidae Cochliopinae) from subterranean waters of Mangalia, Dobrogea, Romania. Proceedings of the 12th International Congress of Speleology. 3: 333-336.
Bernasconi, R. (1997). Conchological variability of Heleobia [Semisalsa] dobrogica (Mollusca Prosobranchia Hydrobiidae Cochliopinae) from subterranean waters of Mangalia, Dobrogea, Romania. Proceedings of the 12th International Congress of Speleology. 3: 333-336.