@Article{nhess-3-237-2003,
AUTHOR = {Vallianatos, F. and Tzanis, A.},
TITLE = {On the nature, scaling and spectral properties of pre-seismic ULF signals},
JOURNAL = {Natural Hazards and Earth System Science},
VOLUME = {3},
YEAR = {2003},
NUMBER = {3/4},
PAGES = {237--242},
URL = {http://www.nat-hazards-earth-syst-sci.net/3/237/2003/},
DOI = {10.5194/nhess-3-237-2003}
}