Dasso, S., C. A. Perazzo, L. Romanelli, F. Carusela, J. Ure, E. A. Fernández, and P. Willshaw. “Dynamical Analysis of Erythrocytes under the Assumption of Cross-Spectral Coherence Between Blood Cell Counts and the Dst Index”. Geofisica Internacional 43, no. 2 (April 1, 2004): 259–264. Accessed May 18, 2024. http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/890.