Autori:
1. Vladimir Petković, Šumarski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
2. Dane Marčeta, Šumarski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
3. Darko Ljubojević, JPŠ Šume Republike Srpske, ŠG Prijedor, Republic of Srpska, Bosnia and Herzegovina
4. Potočnik Igor, Biotechnical Faculty, University of Ljubljana, Slovenia