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Benedict, F.G.; Fox, E.L.; Baker, M. 1921. The surface temperature of the elephant, rhinoceros and hippopotamus. American Journal of Physiology 56: 464-474, figs. 1-6.
Benedict, F.G.; Fox, E.L.; Baker, M. 1921. The skin temperature of pachyderms. Proceedings of the National Academy of Science 7: 154-156.






