1. Rhythmic variations in energy metabolism;Aschoff,1970
2. Functional Aspects of Incubation in the Herring Gull. Larus aryentatus;Drent,1967
3. Adaptive aspects of the physiology of incubation;Drent,1972
4. Energy requirements for egg-laying and incubation in the zebra finch;El-Wailly;Taeniopygia castanotis. Condor,1966
5. Thermal conductance in birds and mammals;Herreid;Comp. Biochem. Physiol.,1967