ROGULIS, U. Optical detection of paramagnetic centres: from crystals to glass-ceramics. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 42, n. 7, p. 689–693, 2016. DOI: 10.1063/1.4959009 . Disponível em: https://fnt.ilt.kharkov.ua/index.php/fnt/article/view/f42-0689e. Acesso em: 21 лис. 2024.