Ramos C., A., Barea, J. y Callao, V. (1966) «Release of phosphorus from phosphorite by bacteria that act on phosphates», Ars Pharmaceutica (Internet), 7(5-6), pp. 251–255. Disponible en: https://revistaseug.ugr.es/index.php/ars/article/view/7643 (Accedido: 17 mayo 2024).