STEFANOVSKII, E. The theory of equilibrium magnetic properties of the granulated magnetic materials. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 26, n. 3, p. 262–270, 2000. DOI: 10.1063/1.593883. Disponível em: http://80.92.230.95/index.php/fnt/article/view/f26-0262e. Acesso em: 10 лис. 2025.