@Article{npg-11-119-2004,
AUTHOR = {Currenti, G. and Del Negro, C. and Fortuna, L. and Napoli, R. and Vicari, A.},
TITLE = {Non-linear analysis of geomagnetic time series from Etna volcano},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {11},
YEAR = {2004},
NUMBER = {1},
PAGES = {119--125},
URL = {http://www.nonlin-processes-geophys.net/11/119/2004/},
DOI = {10.5194/npg-11-119-2004}
}