@article{JACKMAN08_ACP,
   author = "C. H. Jackman and D. R. Marsh and F. M. Vitt and R. R. Garcia
             and E. L. Fleming and G. J. Labow and C. E. Randall and
             M. L{\'o}pez-Puertas and B. Funke and T. von Clarmann and
             G. P. Stiller",
   title  = "Short- and medium-term atmospheric effects of very large
             solar proton events",
   note   = "accepted by Atmos. Chem. Phys.",
   journal= "Atmos. Chem. Phys.",
   volume = "8",
   pages  = "765-785",
   year   = "2008"   }