1. Das Strahlungsfeld im Lebensraum;Dirmhirn,1964
2. Radiant solar energy and the function of black homeotherm pigmentation. A hypothesis;Hamilton;Science, N.Y.,1967
3. Notes on temperature measurements indicative of special organization in arctic and subarctic plants for ultilization of radiated energy from the sun;Krog;Physiologia pl.,1955
4. Energetic significance of absorption of solar radiation in polar homeotherms;Øritsland,1970
5. Thermoregulation of the pup and adult Weddell seal, Leptonychotes weddelli (Lesson), in Antarctica;Ray;Zoologica, N.Y.,1968