Oliver, J., y J. Suñé. «Alterability of the Ceratos: Application of the Iodine, Saponification and Acidity Indices to Its Determination». Ars Pharmaceutica (Internet), vol. 7, n.º 3-4, febrero de 1966, pp. 111-2, https://revistaseug.ugr.es/index.php/ars/article/view/7621.