00599naa#a2200169#i#450# EN\\bibl\13295 20241216094650.1 2222-7962 20161010b2016####ek#y0engy0150####ca RUS RU The use of portable x-ray equipment for detection of inner defects of timber wood. Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2016 6 с. Journal article local Frolov Ivan Sergeevich anni.editorum.ru