Warsaw University of Life Sciences (SGGW), Faculty of Forestry, Department of Forest Utilization, Nowoursynowska 159, 02-776 Warsaw, Poland, phone: +48 22 5938133, fax: +48 22 5938139
Emilia Janeczko
Warsaw University of Life Sciences (SGGW), Faculty of Forestry, Department of Forest Utilization, Nowoursynowska 159, 02-776 Warsaw, Poland, phone: +48 22 5938133, fax: +48 22 5938139
Tadeusz Moskalik
Warsaw University of Life Sciences (SGGW), Faculty of Forestry, Department of Forest Utilization, Nowoursynowska 159, 02-776 Warsaw, Poland, phone: +48 22 5938133, fax: +48 22 5938139,