Barea, J. M., R. Azcon, y V. Callao Fabregat. 1970. «Techniques for the Study of the Mineralization of -P-, Contained in the -DNA-, by Soil Bacteria (1)». Ars Pharmaceutica (Internet) 11 (5-6):303-10. https://revistaseug.ugr.es/index.php/ars/article/view/9717.