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Respiration of Amphibian EggsRoger S. Seymour and David F. Bradford · Physiological Zoology · 1995
Metabolic Cost of Development in Terrestrial Frog Eggs (Pseudophryne bibronii)Roger S. Seymour, Fritz Geiser and David F. Bradford · Physiological Zoology · 1991
Energy Conservation during the Delayed-Hatching Period in the Frog Pseudophryne bibroniDavid F. Bradford and Roger S. Seymour · Physiological Zoology · 1985
Influence of Environmental PO₂ on Embryonic Oxygen Consumption, Rate of Development, and Hatching in the Frog Pseudophryne bibroniDavid F. Bradford and Roger S. Seymour · Physiological Zoology · 1988
Gas Conductance of the Jelly Capsule of Terrestrial Frog Eggs Correlates with Embryonic Stage, Not Metabolic Demand or Ambient Po₂Roger S. Seymour, Fritz Geiser and David F. Bradford · Physiological Zoology · 1991
Influence of Water Potential on Growth and Survival of the Embryo, and Gas Conductance of the Egg, in a Terrestrial Breeding Frog, Pseudophryne bibroniDavid F. Bradford and Roger S. Seymour · Physiological Zoology · 1988
Anatomical Variation and Avian AnatomyAndrew J. Berger · The Condor · 1956
The Metabolic Rate of Tropical BirdsC. J. Hails · The Condor · 1983
The Incubation Patch in TinamousRobert E. Bailey · The Condor · 1955
Species Concepts in OrnithologyMary C. McKitrick and Robert M. Zink · The Condor · 1988
Body Weights of Birds: A ReviewGeorge A. Clark, Jr. · The Condor · 1979
Biology of Marine BirdsSYDEMAN, WILLIAM J. · The Condor · 2003
Nest Site Selection in Mountain BluebirdsChristopher J. Herlugson · The Condor · 1981
Notes on Brazilian CracidaeHelmut Sick · The Condor · 1970