Meseguer, V., L. J. Lozano, and D. de Juan. “Metallurgical Treatment of Waelz Oxides by Alkaline Leaching Using Ammonium Carbonate”. Revista de Metalurgia 33, no. 2 (April 30, 1997): 101–112. Accessed April 28, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/868.