1. Chromium, nickel and cobalt in environmental samples and existing legal norms;Baralkiewicz;Polish Journal of Environmental Studies,1999
2. Modern Problems of Atmospheric Diffusion and Air Pollution(in Russian);Berlyand,1975
3. Geochemical mapping of major and trace elements in soils from the Altiplano Potosino, Mexico: a multi-scale comparison;Chipres;Geochemistry: Exploration, Environment, Analysis,2008
4. Diagnostics of snow-cover contamination with soluble and insoluble metal impurities;Chukanov;Russian Journal of Nondestructive Testing,2006
5. Mathematical Statistics on Soil Science, Librokom, Moscow [in Russian];Dmitriev,2008