Authors
Przemysław Pluta
Forestry Students’ Scientific Association of Warsaw University of Life Sciences, Warsaw, Poland
Robert Tomusiak
Forestry Students’ Scientific Association of Warsaw University of Life Sciences, Warsaw, Poland
Warsaw University of Life Sciences, Institute of Forest Sciences, Department of Forest Management, Dendrometry and Economics of Forestry, Warsaw, Poland
Artur Obidziński
Forestry Students’ Scientific Association of Warsaw University of Life Sciences, Warsaw, Poland
Warsaw University of Life Sciences, Institute of Forest Sciences, Department of Forest Botany, Warsaw, Poland