https://www.uni-ulm.de/en/nawi/institute-for-quantum-optics/group-prof-jelezko/research/projects/eu-project-diamant/news/article/theoretical-and-electron-paramagnetic-resonance-studies-of-hyperfine-interaction-in-nitrogen-doped-4h-and-6h-sic-j-appl-phys-2014-1/
hyperfine interactiontheoreticalelectronparamagneticresonance