@ARTICLE{
author={Urbaniak Jacek,Blazencic Jelena},
year={2012},
title={SEM study of oospore characteristics in endemic and endangered Balkan Charophytes},
journal={CRYPTOGAMIE ALGOLOGIE},
volume={33},
number={3},
pages={277-288},
document_type={Article},
} 

@ARTICLE{
author={Urbaniak Jacek,Gabka Maciej,Blazencic Jelena},
year={2008},
title={Nitella tenuissima, a rare charophyte in Central and Southern Europe},
journal={CRYPTOGAMIE ALGOLOGIE},
volume={29},
number={2},
pages={161-171},
document_type={Article},
}