@Article{npg-13-255-2006,
AUTHOR = {Hayakawa, M. and Timashev, S. F.},
TITLE = {An attempt to find precursors in the ULF geomagnetic data by means  of flicker noise spectroscopy},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {13},
YEAR = {2006},
NUMBER = {3},
PAGES = {255--263},
URL = {http://www.nonlin-processes-geophys.net/13/255/2006/},
DOI = {10.5194/npg-13-255-2006}
}