A mathematical model for distribution of calcium in silicon by vacuum directional solidification. Journal of Mining and Metallurgy, Section B: Metallurgy, [S. l.], v. 52, n. 2, p. 157–162, 2016. Disponível em: https://test.aseestant.ceon.rs/index.php/jmm/article/view/7248. Acesso em: 11 jun. 2026.