@Article{nhess-4-697-2004,
AUTHOR = {Pulinets, S. A. and Gaivoronska, T. B. and Leyva Contreras, A. and Ciraolo, L.},
TITLE = {Correlation analysis technique revealing ionospheric precursors of earthquakes},
JOURNAL = {Natural Hazards and Earth System Science},
VOLUME = {4},
YEAR = {2004},
NUMBER = {5/6},
PAGES = {697--702},
URL = {http://www.nat-hazards-earth-syst-sci.net/4/697/2004/},
DOI = {10.5194/nhess-4-697-2004}
}