Wang, Qi, Lijun Wang, Yanqiang Liu, and Kuochih Chou. “Using Ce to Modify Al2O3 Inclusion in Spring Steel”. Journal of Mining and Metallurgy, Section B: Metallurgy 53, no. 3 (October 23, 2017): 365. Accessed June 16, 2024. https://aseestant.ceon.rs/index.php/jmm/article/view/12445.