00625naa#a2200181#i#450# EN\\bibl\5742 20260123082858.5 2308-8877 20150318b2015####ek#y0engy0150####ca RUS RU Determination of the lifting levels elevationsat log bundling areas of the Northern Dvina River Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Surov G. Glavatskikh N. zh-szf.ru