[1]
M. Pawlikowski, K. Pieprzyk-Klimaszewska, and T. Mikoś, “Ancient copper mines as geotourist and archeological objects in the southern Ural Mts”., geotour, no. 16-17, p. 41, Mar. 2018, doi: 10.7494/geotour.2009.16-17.41.