@Article{npg-12-835-2005,
AUTHOR = {Karamanos, K. and Peratzakis, A. and Kapiris, P. and Nikolopoulos, S. and Kopanas, J. and Eftaxias, K.},
TITLE = {Extracting preseismic electromagnetic signatures in terms of symbolic dynamics},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {12},
YEAR = {2005},
NUMBER = {6},
PAGES = {835--848},
URL = {http://www.nonlin-processes-geophys.net/12/835/2005/},
DOI = {10.5194/npg-12-835-2005}
}