Alström Per; Ericson Per G.P.; Olsson Urban & Sundberg Per (2006): Phylogeny and classification of the avian superfamily Sylvioidea. Mol. Phylogenet. Evol.38(2): 381–397. doi:10.1016/j.ympev.2005.05.015PMID 16054402
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Alström Per; Ericson Per G.P.; Olsson Urban & Sundberg Per (2006): Phylogeny and classification of the avian superfamily Sylvioidea. Mol. Phylogenet. Evol.38(2): 381–397. doi:10.1016/j.ympev.2005.05.015PMID 16054402