1. Energy budget studies, water loss investigation: Lake Hefner studies, technical report;Anderson;U. S. Geol. Surv. Prof. Pap.,1954
2. Über die Gegenstrahlung der Atmosphäre;Ångström;Meteorology,1916
3. Emissivity of clear skies;Berdahl;Sol. Energy,1984
4. About the equivalent radiative temperature for clear skies;Berger;Sol. Energy,1984
5. Determining the net long-wave radiation of the Earth with consideration of the effect of cloudiness;Berliand;Izv. Akad. Nauk. SSSR Ser. Geofiz.,1952