00734naa#a2200193#i#450# EN\\bibl\46195 20240906085739.5 2222-7962 20211229b2021####ek#y0engy0150####ca RU DETERMINATION OF THE CELL WALLS DENSITY OF THE WOOD AND OTHER POROUS MATERIALS BY GAS PYCNOMETRY IN ATMOSPHERIC AIR Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2021 11 с. Journal article local Gaynullin Renat Harisovich Safina Albina Gaynullin Rish Harisovich Cvetkova Ekaterina Mihaylovna naukaru.ru