Trajanovska Sonja,Blazencic Jelena,Trajanovska Sonja,Budzakoska-Gjoreska Biljana (2012) Distribution, Morphological Variability, Ecology and the Present State of Nitella From Lake Ohrid and Its Surroundings, ARCHIVES OF BIOLOGICAL SCIENCES, vol. 64, br. 2, str. 549-556 (Article)