Karamysheva, A. et al. 2020. Comparative study of the fullness of dwarf Siberian pine seeds <em>Pinus pumila</em> (Pall.) Regel from places of natural growth and collected from plants introduced in northwestern Russia by microfocus X-ray radiography to predict their sowing qualities. Biological Communications. 65, 4 (Dec. 2020), 297–306. DOI:https://doi.org/10.21638/spbu03.2020.403.