Silke Fregin; Martin Haase; Urban Olsson; Per Alström (2009). "Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) – The traditional taxonomy overthrown". Molecular Phylogenetics and Evolution. 52 (3): 866–878. Bibcode:2009MolPE..52..866F. doi:10.1016/j.ympev.2009.04.006. PMID19393746.
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Silke Fregin; Martin Haase; Urban Olsson; Per Alström (2009). "Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) – The traditional taxonomy overthrown". Molecular Phylogenetics and Evolution. 52 (3): 866–878. Bibcode:2009MolPE..52..866F. doi:10.1016/j.ympev.2009.04.006. PMID19393746.
Silke Fregin; Martin Haase; Urban Olsson; Per Alström (2009). "Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) – The traditional taxonomy overthrown". Molecular Phylogenetics and Evolution. 52 (3): 866–878. Bibcode:2009MolPE..52..866F. doi:10.1016/j.ympev.2009.04.006. PMID19393746.