Zhang, H., C. Zhang, W. Wang, Y. Du, P. Zhou, B. Hu, Z. Liu, J. Wang, and J. Wang. “THERMODYNAMIC ASSESSMENT OF THE Pb–Sr SYSTEM”. Journal of Mining and Metallurgy, Section B: Metallurgy, Vol. 53, no. 3, Oct. 2017, p. 179, https://www.aseestant.ceon.rs/index.php/jmm/article/view/13432.