title: [NATURAL RADIOACTIVITY OF THE SOIL].
mesh_terms: D011194:Potassium Isotopes; D011851:Radioactivity; D011874:Radiometry; D012987:Soil; D013910:Thorium; D014586:USSR; D014501:Uranium
chemical_list: D011194:Potassium Isotopes; D012987:Soil; D014501:Uranium; D013910:Thorium
keywords: POTASSIUM ISOTOPES; RADIOACTIVITY; RADIOMETRY; SOIL; THORIUM; URANIUM; USSR
vernacular_title: ESTESTVENNAIA RADIOAKTIVNOST' POCHV.