1. The results of deep seismic sounding in Czechoslovakia;Beránek;Z. Geophys.,1972
2. Die bisherigen Ergebnisse der Untersuchungen des tiefen Aufbaus der Erdkruste auf dem Gebiet der ČSSR;Beránek,1972
3. The thermal conductivity of rocks and its dependence on temperature and composition;Birch;Am. J. Sci.,1940
4. Heat flow in South Africa;Bullard,1939
5. The disturbance of the temperature gradient in the earth's crust by inequalities of height;Bullard;Mon. Not. Roy. Astron. Soc., Geophys. Suppl.,1940