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B. Ostafiychuk, V. Moklyak, V. Fedoriv, A. Hrubiak, Y. Yavorskyi, & S. Yuryev, Low-temperature Mossbauer studies of the phase composition and structural stability of iron (III) oxide/hydroxide nanocomposite, Physics and Chemistry of Solid State, 22(2), 307-312 (2021); https://doi.org/10.15330/pcss.22.2.307-312.