H. H. Zhao, J. D. Shen, Y. Q. Pan, Z. X. Shi, L. Miao, and Q. Li, Hybridization of CaFe_1–xCo_x AsF (x = 0, 0.06, 0.11, 0.144) studied by x-ray absorption spectroscopy and ultraviolet photoemission spectroscopy, Low Temp. Phys. 48, (2022) [Fiz. Nyzk. Temp. 48, 783–787, (2022)] DOI: https://doi.org/10.1063/10.0013292.