GUMEN, L.; KROKHIN, A. Index of refraction of a photonic crystal of carbon nanotubes and homogenization of optically anisotropic periodic composites: Carbon nanotubes, quantum wires and Luttinger liquid. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 34, n. 10, p. 1072–1080, 2008. DOI: 10.1063/1.3006391. Disponível em: http://80.92.230.95/index.php/fnt/article/view/f34-1072e. Acesso em: 10 лис. 2025.