Authors
Hannes Tamme
Institute of Forestry and Engineering, Estonian University of Life Sciences, Tartu, Estonia
Regino Kask
Institute of Forestry and Engineering, Estonian University of Life Sciences, Tartu, Estonia
Peeter Muiste
Institute of Forestry and Engineering, Estonian University of Life Sciences, Tartu, Estonia
Valdek Tamme
Institute of Forestry and Engineering, Estonian University of Life Sciences, Tartu, Estonia