^pof;
Forest;
Ecology;
Faculty;
of;
Forestry;
Gorgan;
University;
Agricultural;
Sciences;
and;
Natural;
Resources;
Beheshti;
St.;
386;
Golestan;
Iran;
^pResearch;
Institute;
for;
Silviculture;
Mechanization;
(VNIILM);
15;
Institutskaya;
St;
Pushkino;
141200;
Russia;