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APA ZitierstilŠumkin, V. J. (2000). Problema sochranenija pamjatnikov naskal'nogo tvorčestva na Severe Evropejskoj Rossii. On the problem of preservation of the objects of rock arts in the north of European Russia.
Chicago ZitierstilŠumkin, Vladimir Jakovlevič. Problema Sochranenija Pamjatnikov Naskal'nogo Tvorčestva Na Severe Evropejskoj Rossii. On the Problem of Preservation of the Objects of Rock Arts in the North of European Russia. 2000.
MLA ZitierstilŠumkin, Vladimir Jakovlevič. Problema Sochranenija Pamjatnikov Naskal'nogo Tvorčestva Na Severe Evropejskoj Rossii. On the Problem of Preservation of the Objects of Rock Arts in the North of European Russia. 2000.