Author(s):
1. Danijela Vuković, Elektrotehnički fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina
2. Slavica Maletić, Univerzitet u Beogradu, Fizički fakultet, Studentski trg 12, Beograd, Serbia
3. Blanka Škipina, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
4. Adriann Luyt, Center for Advanced Materials, Qatar
5. Dragoljub Mirjanić, Akademija nauka i umjetnosti Republike Srpske, Republic of Srpska, Bosnia and Herzegovina
6. Duško Dudić, Department of Chemistry, University of the Free State, Private Bag X13, Phuthaditjhaba, 9866 South A, Serbia