Hrinchenko О., et al. “Granitoids, Rare-Metal Pegmatites and Та-Nb Mineralization of Shpoliano-Tashlyk Ore Area (Ingul Megablock, Ukrainian Shield)”. Visnyk of Taras Shevchenko National University of Kyiv. Geology, vol. 4, no. 83, Dec. 2018, pp. 24-29, https://doi.org/10.17721/1728-2713.83.03.