GORISHNYI , M. P. . Determination of the Urbach energy E_u and the optical band gap E_g of submicron C₆₀ and C₇₀ fullerene films . ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 51, n. 2, p. 192–200, 2024. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/9395. Acesso em: 25 груд. 2024.