Prorok, V.V., L.A. Bulavin, and L.V. Poperenko. “Investigation of Channels of Cs-137 and K Transfer from Soil to Plant under Natural Conditions With Optical and Gamma Spectrometry”. Ukrainian Journal of Physics 57, no. 2 (February 15, 2012): 230. Accessed April 16, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021340.