1. E. V. Abakumov, E. I. Maksimova, A. V. Lagoda, and E. M. Koshcheva, “Soil Formation in the Quarries for Limestone and Clay Production in the Ukhta Region,” Eur. Soil Sci. 44(4), 380–385 2011).
2. V. A. Androkhanov and V. M. Kurachev, Soil-Ecological Status of Technogenic Landscapes: Dynamics and Assessment (Izd. SO RAN, Novosibirsk, 2010) [in Russian].
3. E. V. Arinushkina, Manual on the Chemical Analysis of Soils (Izd. Mosk. Gos. Univ., Moscow, 1970) [in Russian].
4. Atlas of Climate and Hydrology of the Komi Republic Ed. by A. I. Taskaev (DiK, Drofa, Moscow, 1997) [in Russian].
5. Yu. N. Vodyanitskii, Heavy Metals and Metalloids in Soils (Pochven. Inst. im. V.V. Dokuchaeva, Moscow, 2008) [in Russian].