Urbaniak Jacek,Blazencic Jelena (2012) SEM study of oospore characteristics in endemic and endangered Balkan Charophytes, CRYPTOGAMIE ALGOLOGIE, vol. 33, br. 3, str. 277-288 (Article) Urbaniak Jacek,Gabka Maciej,Blazencic Jelena (2008) Nitella tenuissima, a rare charophyte in Central and Southern Europe, CRYPTOGAMIE ALGOLOGIE, vol. 29, br. 2, str. 161-171 (Article)