GORISHNYI , M. P. . Determination of the Urbach energy Eu and the optical band gap Eg of submicron C60 and C70 fullerene films . ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 51, n. 2, p. 192–200, 2024. DOI: 10.1063/10.0034899. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/9395. Acesso em: 19 лют. 2025.