Dr. Thomas Nagel

University of Ljubljana, Slovenia

Dr. Petia Nikolova

Swiss Federal Institute for Forest, Snow and Landscape Research WSL

Dr. Frank Krumm

Swiss Federal Institute for Forest, Snow and Landscape Research WSL

Assist.Prof. Dzhamal Amishev

Lakehead University - Thunder Bay, Canada

Dr. Miika KAJANUS

Savonia University of Applied Sciences, Finland

Assoc. Prof. Emil Kitchoukov

University of Forestry, Sofia, Bulgaria

Assoc. Prof. Ralitsa Kuzmanova

University of Forestry, Sofia, Bulgaria

Assoc. Prof. Elena Dragozova

University of Forestry, Sofia, Bulgaria

Assoc. Prof. Dimitar Georgiev

University of Forestry, Sofia, Bulgaria

Assist. Prof. Neno Alexandrov

University of Forestry, Sofia, Bulgaria