de Graaf, Martin; Megens, Hendrik-Jan; Samallo, Johannis; Sibbing, Ferdinand (2010). "Preliminary insight into the age and origin of the Labeobarbus fish species flock from Lake Tana (Ethiopia) using the mtDNA cytochrome b gene". Molecular Phylogenetics and Evolution. 54 (2): 336–343. doi:10.1016/j.ympev.2009.10.029. ISSN1055-7903. PMID19878730.
de Graaf, Martin; Megens, Hendrik-Jan; Samallo, Johannis; Sibbing, Ferdinand (2010). "Preliminary insight into the age and origin of the Labeobarbus fish species flock from Lake Tana (Ethiopia) using the mtDNA cytochrome b gene". Molecular Phylogenetics and Evolution. 54 (2): 336–343. doi:10.1016/j.ympev.2009.10.029. ISSN1055-7903. PMID19878730.
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de Graaf, Martin; Megens, Hendrik-Jan; Samallo, Johannis; Sibbing, Ferdinand (2010). "Preliminary insight into the age and origin of the Labeobarbus fish species flock from Lake Tana (Ethiopia) using the mtDNA cytochrome b gene". Molecular Phylogenetics and Evolution. 54 (2): 336–343. doi:10.1016/j.ympev.2009.10.029. ISSN1055-7903. PMID19878730.