Głowienka G., Nowak E., Kozak B., Jaromin-Gleń K., Łagód G.:  The method of determining diatoms and green algae communities biodiversity of the Zemborzycki backwater periphyton (2013 r.) 2nd Student Scientific Conference "Environmental Engineering - Trough A Young Eye", Białystok 16-17.05.2013 r. 2013, 9-17