Egorov, V. N., Bobko, N. I., Marchenko, Yu. G., & Sadogurskiy, S. Ye. (2021). Content of nutrients and limitation of phytoplankton primary production in the specially protected natural area “Cape Martyan” (Black Sea). Marine Biological Journal, 6(4), 19–30. doi: 10.21072/mbj.2021.06.4.02