Autori:
1. Marina Nonić, Šumarski fakultet Beograd, Serbia
2. Tatjana Batalo, University of Belgrade-Faculty of Forestry, , Serbia
3. Mirjana Šijačić-Nikolić, Šumarski fakultet Beograd, Serbia
4. Ivona Kerkez, University of Belgrade-Faculty of Forestry, , Serbia