Bulletin [of the] 2d International Congress of Soil Science
английский (eng)/Bulletin [of the] 2d International Congress of Soil Science .Bulletin [of the] 2d International Congress of Soil Science.Bulletin [of the] 2d International Congress of Soil Science.Leningrad/, 1930 ( ). - 1930.Bulletin [of the] 2d International Congress of Soil Science. Leningrad, 1930 .См. также Bulletin of the organizing Committee.International Congress of Soil Science /