Tshakatumba, Constantin, et al. “Synergistic Effect of Chromium on the Mechanical Properties and Microstructures of Spheroidal Graphite Cast Iron”. Technium: Romanian Journal of Applied Sciences and Technology, vol. 3, no. 3, Apr. 2021, pp. 41-52, https://techniumscience.com/index.php/technium/article/view/3042.