Walt Whitford
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1970. Responses of a population of Ambystoma tigrinum to thermal and oxygen gradients. Herpetologica. 26:372-376.
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1969. Aerial and aquatic respiration in axolotl and transformed Ambystoma tigrinum. Herpetologica. 24
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1969. Heart rate and changes in body fluids in aestivating toads from xeric habitats. Physiological Systems in Semiarid Environments. :125-133.
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1968. Physiological responses to temperature and desiccation in the endemic New Mexico plethodontids, Plethodon neomexicanus and Aneides hardii. Copeia. 2:247-251.
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1967. Observations on territoriality and aggressive behavior in the western spadefoot toad (Scaphiopus hammondii). Herpetologica. 23:318.