@ARTICLE{
author={Schneider Susanne C,Trajanovska Sonja,Biberdzic Vera,Markovic Aleksandra Z,Talevska Marina,Imeri Alma,Veljanoska-Sarafiloska Elizabeta,Draskovic Pavle,Jovanovic Katarina,Cara Magdalena},
year={2020},
title={The Balkan Macrophyte Index (BMI) for Assessment of Eutrophication in Lakes},
journal={ACTA ZOOLOGICA BULGARICA},
volume={72},
number={3},
pages={439-454},
document_type={Article},
} 

@ARTICLE{
author={Trajanovska Sonja,Blazencic Jelena,Trajanovska Sonja,Budzakoska-Gjoreska Biljana},
year={2012},
title={Distribution, Morphological Variability, Ecology and the Present State of Nitella From Lake Ohrid and Its Surroundings},
journal={ARCHIVES OF BIOLOGICAL SCIENCES},
volume={64},
number={2},
pages={549-556},
document_type={Article},
}