SCHAEFER, J. Zero-phonon emission bands of solid hydrogen at 6-12 mm wavelength. An astrophysical phenomenon. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 35, n. 4, p. 405–412, 2009. DOI: 10.1063/1.3115818. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f35-0405e. Acesso em: 22 груд. 2024.