Autori:
1. Jelena Subotić, Republic of Srpska, Bosnia and Herzegovina
2. Vojislav Dukić, Šumarski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
3. Goran Trbić, Republic of Srpska, Bosnia and Herzegovina
4. Zoran Maunaga, Šumarski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina