(2011) „Molecular phylogenetics, vocalizations, and species limits in Celeus woodpeckers (Aves: Picidae)”. Molecular Phylogenetics and Evolution61 (1), 29–44. o. DOI:10.1016/j.ympev.2011.05.001. PMID21596145.
(2011) „Molecular phylogenetics, vocalizations, and species limits in Celeus woodpeckers (Aves: Picidae)”. Molecular Phylogenetics and Evolution61 (1), 29–44. o. DOI:10.1016/j.ympev.2011.05.001. PMID21596145.