“Energy Structure of the Long-Wavelength Absorption Spectra Edge and Its Relationship to the Urbach Energy Eu and the Optical Band Gap Eg of C60 Films With Thicknesses of 5000 and ~1000 Nm”. Ukrainian Journal of Physics, vol. 71, no. 9, Sept. 2026, p. 705, https://doi.org/10.15407/ujpe71.9.705.