Ishkov, V. and Koziy, E. (2017) “Distribution of toxic and potentially toxic elements in the coal of the layer c₇ᴴ of the ‘Pavlogradskaya’ mine of Pavlogradsko-Petropavlovskiy geological and industrial district”, Visnyk of Taras Shevchenko National University of Kyiv. Geology, 4(79), pp. 59–66. doi:10.17721/1728-2713.79.09.