Vasenko, A., Vernichenko, A., Vernichenko-Tsvetkov, D., Lungu, M., Milanich, A. and Pristinska, A. 2016. Analysis of changeability of the structural and functional phytoplankton characteristic in the lower and delta of Danube River within the Ukraine borders. Cherkasy University Bulletin: Biological Sciences Series. 352, 19 (Jan. 2016).