[1]
Sudnitsina, D. and Cherevichko, A. 2015. Estimation of River Utroya Ecological State in Intensive Organic Pollution Area Using Plankton Communities ’ Characteristics (Pskov Region). ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference. 3, (Aug. 2015), 62–64. DOI:https://doi.org/10.17770/etr2013vol3.882.