TY JOUR TI THE SHAPE OF THE CROSS-SECTION OF TREE TRUNKS AT AN HEIGHT OF 1.3 METERS IN PINE PLANTATIONS OF THE FOOTHILL PART OF THE VOSTOCHNYJ SAYAN KW JO Forestry Engineering Journal AU Vays, A.A. AU Derevyannyh, D.N. AU Goroshko, A.A. PY 2019 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov