@Article{acpd-11-7715-2011,
AUTHOR = {Jackman, C. H. and Marsh, D. R. and Vitt, F. M. and Roble, R. G. and Randall, C. E. and Bernath, P. F. and Funke, B. and L\'opez-Puertas, M. and Versick, S. and Stiller, G. P. and Tylka, A. J. and Fleming, E. L.},
TITLE = {Northern Hemisphere atmospheric influence of the solar proton events  and ground level enhancement in January 2005},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {11},
YEAR = {2011},
NUMBER = {3},
PAGES = {7715--7755},
URL = {http://www.atmos-chem-phys-discuss.net/11/7715/2011/},
DOI = {10.5194/acpd-11-7715-2011}
}