Author(s):
1. Blanka Škipina, Republic of Srpska, Bosnia and Herzegovina
2. Adriann Luyt, Center for Advanced Materials, Qatar
3. Lidija Trandafilović, University of Belgrade, Vinča Institute of Nuclear Sciences, Serbia, Serbia
4. Duško Dudić, Department of Chemistry, University of the Free State, Private Bag X13, Phuthaditjhaba, 9866 South A, Serbia