Ivanov, Dmitry, et al. “Radioactivity Estimation of Fruit Bodies of the <em>Leccinum< em> Genus Fungi in the Microecosystems of the Riverbed Bank of the R. Kremenka (Leningrad Region, Gatchinsky distr.)”. Biological Communications, no. 1, Mar. 2014, pp. 69–74, https://biocomm.spbu.ru/article/view/1149.