@article{Usenko_2014 author = {O. M. Usenko and I. M. Konovets}, title = {Analysis of Pheolcarbonic Acids Content in Phytomass of Higher Aquatic Plants}, journal = {Hydrobiological Journal}, issn = {0018-8166}, year = {2014}, volume = {50}, number = {5}, pages = {47--60} }