00669naa#a2200205#i#450# EN\\bibl\5007 20240730212939.2 2222-7962 20150115b2015####ek#y0engy0150####ca RUS RU Thermal polarization mechanism of sap flow during the spring equinox Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 9 с. Journal article local Kamalova Nina Evsikova Natalya Matveev Nikolay Lisitsyn V. naukaru.ru