Gorishnyi , M.P. 2025. Determination of the Urbach energy E_u and the optical band gap E_g of submicron C₆₀ and C₇₀ fullerene films . ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР. 51, 2 (Лют 2025), 192–200. DOI:https://doi.org/10.1063/10.0034899.