Hassanin, Alexandre; Douzery, Emmanuel J.P (1999). "The Tribal Radiation of the Family Bovidae (Artiodactyla) and the Evolution of the Mitochondrial Cytochrome b Gene". Molecular Phylogenetics and Evolution. 13 (2): 227–243. Bibcode:1999MolPE..13..227H. doi:10.1006/mpev.1999.0619. PMID10603253.
Hassanin, Alexandre; Douzery, Emmanuel J.P (1999). "The Tribal Radiation of the Family Bovidae (Artiodactyla) and the Evolution of the Mitochondrial Cytochrome b Gene". Molecular Phylogenetics and Evolution. 13 (2): 227–243. Bibcode:1999MolPE..13..227H. doi:10.1006/mpev.1999.0619. PMID10603253.
Hassanin, Alexandre; Douzery, Emmanuel J.P (1999). "The Tribal Radiation of the Family Bovidae (Artiodactyla) and the Evolution of the Mitochondrial Cytochrome b Gene". Molecular Phylogenetics and Evolution. 13 (2): 227–243. Bibcode:1999MolPE..13..227H. doi:10.1006/mpev.1999.0619. PMID10603253.