MIKKELSEN, Martin. Mitochondrial DNA HV1 and HV2 variation in Danes [online]. Denmark: Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health Sciences, University of Copenhagen, 11 Frederik V's Vej, DK-2100 Copenhagen, Denmark, December 18, 2008. Dostupné online.
web.archive.org
NIKITIN, Alexey. PhD [online]. Human Biology, 1, February 2009 [cit. 2019-06-20]. Dostupné v archivu pořízeném dne 2014-02-25.