GIBB, Gillian Claire. Birds in a tree : a journey through avian phylogeny, with particular emphasis on the birds of New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Genetics. Massey: Massey University, 2010. Dostupné online.Archivováno 18. 5. 2017 na Wayback Machine.
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GIBB, Gillian Claire. Birds in a tree : a journey through avian phylogeny, with particular emphasis on the birds of New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Genetics. Massey: Massey University, 2010. Dostupné online.Archivováno 18. 5. 2017 na Wayback Machine.
