Lapirov, A. G., E. A. Belyakov, and O. A. Lebedeva. “Biomorphology and Rhythm of Seasonal Development of the Relic Species Lobelia Dortmanna in Oligotrophic Lakes of Tver Region”. Regulatory Mechanisms in Biosystems, Vol. 8, no. 3, July 2017, pp. 349-55, doi:10.15421/021754.