Faculty of Environmental Science and Engineering, Babeş-Bolyai University, Fântânele 30, 400294Cluj Napoca, Romania
Interdisciplinary Research Institute on Bio-Nano-Science of Babeş-Bolyai University, Treboniu Laurean 42, 400271Cluj-Napoca, Romania
Institute of Speology, Romanian Academy, 400006Cluj Napoca, Romania