1. Amurstat. Regional Office of Federal Agency. http://amurstat.gks.ru.
2. N. A. Borodina, Vestn. Dal’nevost. Otd. Ross. Akad. Nauk, No. 2, 43–49 (2018).
3. N. A. Borodina, Izv. Samar. Nauch. Tsentra Ross. Akad. Nauk 16 (1(4)), 1055–1058 (2014).
4. D. V. Vlasov, in Proc. 12th Sci.-Pract. Conf. Dedicated to the 30th Anniversary of the Chernobyl Accident. Complex Problems of Technosphere Safety. Safe City (Voronezh State Techn. Univ., Voronezh, 2016), pp. 91–99 [in Russian].
5. Yu. N. Vodyanitskii, Heavy and Superheavy Metals and Metalloids in Contaminated Soils (Dokuchaev Soil Sci. Inst., Moscow, 2009) [in Russian].