RASTON*, P.; KETTWICH, S.; ANDERSON, D. Infrared studies of ortho-para conversion at Cl-atom and H-atom impurity centers in cryogenic solid hydrogen. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 36, n. 5, p. 495–503, 2010. DOI: 10.1063/1.3432246. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f36-0495e. Acesso em: 6 трав. 2024.