@article{
    extreme_storms,
    author = {Kilpua, E. and Olspert, N. and Grigorievskiy, A. and K\"apyl\"a, M. and Tanskanen, E. and Miyahara, H. and Kataoka, R. and Pelt, J. and Liu, Y.},
    volume = "806",
    juforank = "2",
    language = "eng",
    title = "Statistical study of strong and extreme geomagnetic disturbances and solar cycle characteristics",
    url = "http://dx.doi.org/10.1088/0004-637X/806/2/272",
    country = "United States of America",
    journal = "Astrophysical Journal",
    issn = "2041-8205",
    number = "2",
    responsibleauthor = "Mantere, M. J.",
    flags = "public ReSoLVE Karhunen, J.",
    il = "yes",
    year = "2015",
    unitcode = "T313-100",
    kay = "NA",
    impactfactor = "A1",
    pages = "272, 7pp."
}