Autori:
1. Zoran Petrović, Tehnološki fakultet u Istočnom Sarajevu,
Republic of Srpska, Bosnia and Herzegovina
2. Raja Maksimović, Tehnološki fakultet u Istočnom Sarajevu,
Republic of Srpska, Bosnia and Herzegovina
3. Sabina Begić, Faculty of Technology, University of Tuzla,
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina
4. Nikola Knezic, Bimal dd,
Republic of Srpska, Bosnia and Herzegovina