Permanent magnets for rock core high-resolution NMR analysis - Alonso, J.; Hugon, C.; Aubert, G.; Judenstein, P.; Trevizan, W. A.; Santos, B. C. C.; Oliveira-Silva, R.; Vidoto, Edson Luiz Gea; Bonagamba, Tito José; Sakellariou, D. (Nuclear Magnetic Resonance Users Meeting, 2015)