@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" }