NOWAK, Kacper. The gyrotron for DNP-NMR spectroscopy: A review. Bulletin of the Polish Academy of Sciences Technical Sciences, [S. l.], v. 70, n. 1, p. e140354, 2022. DOI: 10.24425/bpasts.2022.140354. Disponível em: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/7644. Acesso em: 20 oct. 2026.