Zheng D, Wei K, Ma W, Sheng Z, Dai Y. A mathematical model for distribution of calcium in silicon by vacuum directional solidification. J Min & Metal B Metallurgy [Internet]. 2016 Oct. 28 [cited 2026 Sep. 20];52(2):157-62. Available from: https://test.aseestant.ceon.rs/index.php/jmm/article/view/7248