00714naa#a2200169#i#450# EN\\bibl\18939 20251228104654.7 20251227b2025####ek#y0engy0150####ca RU STUDY OF GEOGRAPHICAL VARIABILITY USING THE EXAMPLE OF TEST CROPS OF PINUS SYLVESTRIS L. IN THE KHRENOVSKY FOREST Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2025 -2162 с. Conference article/thesis local Лесное хозяйство. Лесоводство. 630 Pivovarov M. V. Tseplyaev Aleksey N. bibl.vgltu.ru