Dereziuk, N. V. “Multi-Year Study of Phytoplankton Population in the Dnistrovskiy Estuary in Summer (2003-2018)”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 20, June 2019, pp. 70-79, doi:10.26565/1992-4259-2019-20-06.