@book{29620,
	author = {Sovet po izuchenii︠u︡ proizvoditelʹnykh sil (Soviet Union) and Letunov, P. A., and Akademii︠a︡ nauk SSSR.},
	title = {Soil-geographical zoning of the U.S.S.R. in relation to the agricultural usage of lands.},
	publisher = {Israel Program for Scientific Translations,},
	year = {1963.},
	series = {Its Research on problems of development and distribution of agriculture},
	address = {Jerusalem :},
	note = {At head of title: Academy of Sciences of the U.S.S.R. Council for the Study of Productive Resources. Dokuchaev Soil Institute.}
}