García, Diego Juan, Luis Javier Lozano Blanco, and María Dolores Mulero Vivancos. “Leaching of Vanadium from Sulphuric Acid Manufacture Spent Catalysts”. Revista de Metalurgia 37, no. 1 (February 28, 2001): 18–23. Accessed April 28, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/437.