Gazyetov, Y. I., V. I. Medinets, S. M. Snigirov, P. M. Snigirov, O. M. Abakumov, and V. Z. Pitsyk. “Study of Marine Waters Hydrological Characteristics Near the Zmiinyi Island in 2016-2017”. Visnyk of V. N. Karazin Kharkiv National University Series «Еcоlogy», no. 20, June 2019, pp. 42-55, doi:10.26565/1992-4259-2019-20-04.