@Article{npg-16-691-2009,
AUTHOR = {Petrukovich, A. A. and Malakhov, D. V.},
TITLE = {Variability of magnetic field spectra in the Earth's magnetotail},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {16},
YEAR = {2009},
NUMBER = {6},
PAGES = {691--698},
URL = {http://www.nonlin-processes-geophys.net/16/691/2009/},
DOI = {10.5194/npg-16-691-2009}
}