Autori:
1. Branko Glavonjić, University of Belgrade-Faculty of Forestry, , Serbia
2. Dragan Čomić, Šumarski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
3. Aleksandra Lazarević, University of Belgrade-Faculty of Forestry, , Serbia
4. Miljan Kalem , University of Belgrade-Faculty of Forestry, , Serbia