Levon, F. and Julavska, G. 1999. Features of physiological-biochemical processes in the leaves of Populus bolleana Lauche, Ulmus pinnato-ramosa Dieck. and Elaeagnus angustifolia L. in conditions of industrial pollution of the environment. Plant Introduction. 3, (Dec. 1999), 118-124. DOI:https://doi.org/10.5281/zenodo.3365320.