(2009) „Ancient DNA provides new insights into the history of south Siberian Kurgan people”. Human Genetics126 (3), 395–410. o. DOI:10.1007/s00439-009-0683-0. PMID19449030.
(2009) „Ancient DNA provides new insights into the history of south Siberian Kurgan people”. Human Genetics126 (3), 395–410. o. DOI:10.1007/s00439-009-0683-0. PMID19449030.
nytimes.com
"Russians Find Few Barriers to Joining Ukraine Battle" The New York Times June 9, 2014. - "... among eastern Ukrainian militants, Cossack symbols like sheepskin hats, or the Don Cossack symbol of a stag struck by an arrow — meaning it is better to die free than to live like a slave — are commonplace."