Аутори:
1. Blanka Skipina, Технолошки факултет Универзитета у Бањој Луци,
Republic of Srpska, Bosnia and Herzegovina
2. Adriann Luyt, Center for Advanced Materials, Qatar
3. Duško Dudić, Department of Chemistry, University of the Free State, Private Bag X13, Phuthaditjhaba, 9866 South A, Serbia