1. The significance of sexual differences in size among birds;Amadon,1959
2. Der Ruheumsatz von Vögeln als Funktion der Tageszeit und der Körpergrobe;Aschoff;J. Ornithol.,1970
3. Lipogenesis in the animal body, with special reference to the physiology of the goose;Benedict,1937
4. Experiments on winter territoriality of the American Kestrel, Falco sparverius;Cade;Wilson Bull.,1955
5. Consequences of body size for avian energetics;Calder,1974