Makovskaya , O.Yu., and K.S. Kostromin. “Hydrometallurgical Technology for Processing of Galvanic Sludges”. KnE Materials Science 6, no. 1 (December 31, 2020): 243–248. Accessed September 26, 2021. https://knepublishing.com/index.php/KnE-Materials/article/view/8074.