Аутори:
1. Borislav Malinović, Faculty of Technology Banja Luka,
Republic of Srpska, Bosnia and Herzegovina
2. Александра Зец, Faculty of Technology Banja Luka,
Republic of Srpska, Bosnia and Herzegovina
3. Мерсиха Гозић, Faculty of Technology Banja Luka,
Republic of Srpska, Bosnia and Herzegovina