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Dumbacher, J. P.; Pratt, T. K.; Fleischer, R. C. (2003). "Phylogeny of the owlet-nightjars (Aves: Aegothelidae) based on mitochondrial DNA sequence". Molecular Phylogenetics and Evolution. 29 (3): 540–549. doi:10.1016/S1055-7903(03)00135-0. PMID14615192.