“Typification of Lymans of the North-Western Black Sea According to the Recommendations of the Eu Water Framework Directive”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 16, Sept. 2017, pp. 45-52, https://doi.org/10.26565/1992-4259-2017-16-06.