1. Earth's crust and upper mantle of continents;Belousov;Science,1966
2. Determination of uranium concentrations and its space distribution in minerals and rocks;Berzina;J. Atomic Energy,1967
3. Heat from radioactivity;Birch,1954
4. Distribution of uranium, thorium and potassium;Clark,1969
5. Relationship of main elements of relief and great tectonic structures in the east part of Baltic shield;Grave,1966