Mazej, Zdenka, and Matej Germ. “Seasonal Changes in the Contents of Nutrients in Five Macrophyte Species from the Lake Velenjsko Jezero (Slovenia)”. Acta Biologica Slovenica 51, no. 1 (July 1, 2008): 3–11. Accessed November 17, 2025. https://journals.uni-lj.si/abs/article/view/15221.