Bender , O. G. “Seasonal Dynamics of the Photosynthetic Apparatus Parameters of Upright and Prostrate Pine Species Using the Example of Pinus Sibirica and P. Pumila”. Проблемы ботаники Южной Сибири и Монголии, Vol. 21, no. 1, June 2022, pp. 10-14, doi:10.14258/pbssm.2022002.