For citations:
Vostokov S.V., Gadzhiev A.A., Vostokova A.S., Rabazanov N.I. The ctenophore Beroe cf. ovata in the Caspian Sea. The beginning of a new stage in the evolution of the Caspian ecosystem? South of Russia: ecology, development. 2020;15(4):21-35. (In Russ.) https://doi.org/10.18470/1992-1098-2020-4-21-35
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