[1. TEKILE, A., KIM, I., KIM, J. 2015. Mini-review on river eutrophication and bottom improvement techniques, with special emphasis on the Nakdong river. Journal of environmental sciences, vol. 30, pp. 113-121.]Search in Google Scholar
[2. LENG, R. A. 1999. Duckweed: A tiny aquatic plant with enormous potential for agriculture and environment. Rome (Italy), FAO, s. 108 [cit 26.02.2015], Online: http://www.fao.org/ag/againfo/resources/documents/DW/Dw2.htm]Search in Google Scholar
[3. Plant Finder, Lemna minor. [cit. 26.02.2015]. Online: http://www.aquaticplantcentral.com/forumapc/plantfinder/details.php?id=131]Search in Google Scholar
[4. CAMRON, D. Thalli: Lemna minor. [cit. 29.03.2015]. Online: https://gobotany.newenglandwild.org/species/lemna/minor/]Search in Google Scholar
[5. TÓTHOVÁ, L., MAKOVINSKÁ, J., VELICKÁ, Z. 2007. Lemna minor as a tool to determine the toxicity of environmetal samples. Acta Environmentalica Universitatis Comenianae, 15(1), pp. 78–89. ISSN 1335-0285]Search in Google Scholar
[6. RODRIGUEZ, L., PRESTON, T. R. 2014. Productive use of livestock waste; a manual for the use of biodigester effluent and ponds for duckweed production, [cit 26.02.2015]. Online: http://jlmissouri.com/wp-content/uploads/2014/06/Duckweed.pdf]Search in Google Scholar
[7. BARTOŠOVÁ, A., MICHALÍKOVÁ, A., SIROTIAK, M., SOLDÁN, M. 2012. Comparison of two spectrophotometric techniques for nutrients analyses in water samples. Research papers Faculty of Materials Science and Technology Slovak University of Technology in Trnava, 20(32), pp. 8-19. ISSN 1336-158910.2478/v10186-012-0002-9]Search in Google Scholar