@Article{nhess-9-1953-2009,
AUTHOR = {Eftaxias, K. and Athanasopoulou, L. and Balasis, G. and Kalimeri, M. and Nikolopoulos, S. and Contoyiannis, Y. and Kopanas, J. and Antonopoulos, G. and Nomicos, C.},
TITLE = {Unfolding the procedure of characterizing recorded ultra low frequency, kHZ and MHz electromagetic anomalies  prior to the L'Aquila earthquake as pre-seismic ones – Part 1},
JOURNAL = {Natural Hazards and Earth System Science},
VOLUME = {9},
YEAR = {2009},
NUMBER = {6},
PAGES = {1953--1971},
URL = {http://www.nat-hazards-earth-syst-sci.net/9/1953/2009/},
DOI = {10.5194/nhess-9-1953-2009}
}