Authors
Rudolf Petráš
National Forest Centre, Forest Research Institute Zvolen, T. G. Masaryka 2175/22, SK – 960 92, Zvolen, Slovak Republic
Julian Mecko
National Forest Centre, Forest Research Institute Zvolen, T. G. Masaryka 2175/22, SK – 960 92, Zvolen, Slovak Republic
Ladislav Kulla
National Forest Centre, Forest Research Institute Zvolen, T. G. Masaryka 2175/22, SK – 960 92, Zvolen, Slovak Republic
