V. V. Moklyak, V. O. Kotsyubynsky, I. P. Yaremiy, P. I. Kolkovskyy, A. B. Hrubyak, and L. Z. Zbihley, “Morphological Characteristics of Hydrothermally Synthesized Iron Trifluorides with Various Hydration Degrees”, Ukr. J. Phys., vol. 61, no. 11, p. 1017, Jan. 2019.