Kvasnytsia, Iryna. “Morphological Characteristics of Chalcocite from Mineral-Geological Complexes in Ukraine”. Visnyk of Taras Shevchenko National University of Kyiv. Geology, vol. 3, no. 114, Sept. 2026, pp. 154-61, https://doi.org/10.17721/1728-2713.114.15.