Stolbovoi, V., & Fischer, G. (1999). A new digital georeferenced database of soil degradation in Russia ([1st ed.].). International Institute for Applied Systems Analysis.
Citácia podle Chicago (17th ed.)Stolbovoi, V., a G. Fischer. A New Digital Georeferenced Database of Soil Degradation in Russia. [1st ed.]. Laxenburg: International Institute for Applied Systems Analysis, 1999.
Citácia podľa MLA (8th ed.)Stolbovoi, V., a G. Fischer. A New Digital Georeferenced Database of Soil Degradation in Russia. [1st ed.]. International Institute for Applied Systems Analysis, 1999.
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