@Article{angeo-22-417-2004,
AUTHOR = {Ritter, P. and L\"uhr, H. and Viljanen, A. and Amm, O. and Pulkkinen, A. and Sillanp\"a\"a, I.},
TITLE = {Ionospheric currents estimated simultaneously from CHAMP satelliteand IMAGE ground-based magnetic field measurements: a statisticalstudy at auroral latitudes},
JOURNAL = {Annales Geophysicae},
VOLUME = {22},
YEAR = {2004},
NUMBER = {2},
PAGES = {417--430},
URL = {http://www.ann-geophys.net/22/417/2004/},
DOI = {10.5194/angeo-22-417-2004}
}