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Williams, Susan H., Christopher J. Vinyard, Christine E. Wall, Alison H. Doherty, Alfred W. Crompton, e William L. Hylander. A Preliminary Analysis of Correlated Evolution in Mammalian Chewing Motor Patterns. Oxford University Press, 2011.

Williams, Susan H., et al. A Preliminary Analysis of Correlated Evolution in Mammalian Chewing Motor Patterns. Oxford University Press, 2011.