1. Gazyetov Y.I., Medinets V.I., Snigirov S.M., Snigirov P.M., Abakumov O.M., Pitsyk V.Z. Study of marine waters hydrological characteristics near the Zmiinyi Island in 2016-2017 // Visnyk of V. N. Karazin Kharkiv National University series «Еcоlogy». 2019. № 20. C. 42-55.