Bibliografia
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- Kubo , T. and Iwasa , Y. 1995 . Inferring the rates of branching and extinction from molecular phytogenies . Evolution , 49 : 694 – 704 .
- Nee , S. , Mooers , A. and Harvey , P. H. 1992 . Tempo and mode of evolution revealed from molecular phylogenies . Proc. Nati. Acad. Sci. USA , 89 : 8322 – 8326 .
- Rouers , J. S. 1994 . Centrai moment and probability distribution of Colless' coefficient of tree imbalance . Evolution , 48 : 2026 – 2036 .
- Shao , K. and Sokal , R. R. 1990 . Tree Balance . Syst. Zool. , 39 : 266 – 276 .
- Sibley , C. O. and Ahlquist , J. F. 1990 . Phylogeny and classification of birds , New Ilaven : Yale University Press .