1. Global status of black soils
2. Kovda, V.A. and Samoilova, E. (Eds), 1983, Russian Chernozem 100 Years after Dokuchaev (Moscow: Nauka, in Russian).
3. The Relevance of Black Soils for Sustainable Development
4. FAO, 2022, Black Soils. Global Map (Rome: FAO, fao.org/documents/card/fre/c/cc0236en/).
5. Baliuk, S., Medvedev, V. and Solovey, V., et al., 2021, Ukrainian Chernozem – 140 Years After V.V. Dokuchaev: State, Evolution and Management (Kharkiv: NSS ON Sokolovsky Institute, in Ukrainian, Russian & English).