R. GRIISSINGER. NOVEL MAGNETISM IN PERMANENT MAGNETS. Jurnal Sains Materi Indonesia, [S. l.], v. 5, n. 1, p. 1–8, 2003. DOI: 10.17146/jusami.2003.5.1.5195. Disponível em: https://ejournal.brin.go.id/jsmi/article/view/6808. Acesso em: 15 nov. 2026.