Bulletin of the organizing Committee of the Second International Congress of Soil Science
английский/Bulletin of the organizing Committee of the Second International Congress of Soil Science = Бюллетень организац. комитета 2го Международного Конгресса почвоведов .Bulletin of the organizing Committee of the Second International Congress of Soil Science.Bulletin of the organizing Committee of the Second International Congress of Soil Science = Бюллетень организац. комитета 2го Международного Конгресса почвоведов.Moscow/, 1930 ( ). - 1930.Bulletin of the organizing Committee of the Second International Congress of Soil Science. Moscow, 1930 .Бюллетень организац. комитета 2го Международного Конгресса почвоведов/International Congress of Soil Science Organizing Committee /