Goman , Natalia, Igor Bobrenko, Oleg Matveychik, Valentina Popova, and Elena Bobrenko. “Trace Element Content in the Soils of the Forest-Steppe of Western Siberia”. KnE Life Sciences 6, no. 3 (April 5, 2021): 153–160. Accessed September 27, 2021. https://knepublishing.com/index.php/KnE-Life/article/view/8929.