Irreplaceability of the soil cover in nature
Desideratum [79-4453]/русский/английский/Irreplaceability of the soil cover in nature / V.A. Kovda.Irreplaceability of the soil cover in nature / V.A. Kovda.Irreplaceability of the soil cover in nature.[Москва]/Б. и./, 1979 ( ). - Б. и., 1979. - 16 с. ; 26 см.Irreplaceability of the soil cover in nature. [Москва], 1979 .П03,0/