Vallianatos, F., J. P. Makris, V. Saltas, L. Telesca, and V. Lapenna. “MONOFRACTAL AND MULTIFRACTAL ANALYSIS IN SHORT - TERM TIME DYNAMICS OF ULF GEOMAGNETIC FIELD MEASURED IN CRETE, GREECE”. Bulletin of the Geological Society of Greece, vol. 36, no. 3, Jan. 2004, pp. 1298-07, doi:10.12681/bgsg.16473.