1. Avessalomova I. A. Geochemical indicators in the study of landscapes. – Moskva: Izd-vo Mosk. un-ta, 1978. – 108 р. (In Russian).
2. Vazickij P. Essays on Military Ecology. – Leningrad: Voenizdat, 1989. – 105 р. (In Russian).
3. Vinogradov A. P. Geochemistry of rare and dispersed chemical elements in soils. – Moskva: Izd-vo AN SSSR, 1957. – 238 р. (In Russian).
4. Vorobeva L. A., Rudakova T. A., Lobanova E. A. Heavy metals in the environment. – Moskva: Izd-vo MGU, 1980. – P. 28–34. (In Russian).
5. Geographical map “Landscapes of Oleshkovsky Sands National Nature Park and Adjacent territories” (in digital format, basic scale 1:25 000). А. О. Splodytel. Svidotstvo pro reiestratsiiu avtorskoho prava na tvir № 69449. Derzhavna sluzhba intelektualnoi vlasnosti Ukrainy. Data reiestratsii 06.10.2016. (In Ukrainian).