(en) Outlaw, D.C. & Voelker, G. 2006. Systematics of Ficedula flycatchers (Muscicapidae): A molecular reassessment of a taxonomic enigma. Molecular Phylogenetics and Evolution Vol. 41(1):118–126. abstract. Gearchiveerd op 12 april 2016.
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(en) Outlaw, D.C. & Voelker, G. 2006. Systematics of Ficedula flycatchers (Muscicapidae): A molecular reassessment of a taxonomic enigma. Molecular Phylogenetics and Evolution Vol. 41(1):118–126. abstract. Gearchiveerd op 12 april 2016.