Autori:
1. Nemanja Jungic, Republic of Srpska, Bosnia and Herzegovina
2. Marijana Kapovic Solomun, Šumarski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
3. Mihajlo Markovic, Republic of Srpska, Bosnia and Herzegovina
4. Svjetlana Coralic, Republic of Srpska, Bosnia and Herzegovina