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Bibliography

Hecht, M. K., and J. L. Edwards. 1977. The methodology of phylogenetic inference above the species level. Hecht, M. K., P. C. Goody, and B. M. Hecht eds., Major Patterns of Vertebrate Evolution. NATO Advanced Study Institutes Series. Series A—Life Sciences. Volume 14: 3–52. New York and London, Plenum Press.