Author(s):
1. Marijana Kapovic Solomun, Faculty of Forestry, University of Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Svjetlana Coralic, Republic of Srpska, Bosnia and Herzegovina
3. Nemanja Lazovic, Republic of Srpska, Bosnia and Herzegovina
4. Saša Eremija, Institute of Forestry Belgrade,, Serbia
5. Nemanja Jungic, Republic of Srpska, Bosnia and Herzegovina