Autori:
1. Branko Stajiić, University of Belgrade-Faculty of Forestry, , Serbia
2. Marko Kazimirović, University of Belgrade-Faculty of Forestry, , Serbia
3. Vojislav Dukić, Šumarski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
4. Živan Janjatović, University of Belgrade-Faculty of Forestry, , Serbia