@article{BRUEHL13_ACPD,
   author = "C. Br{\"u}hl and J. Lelieveld and M. H{\"o}pfner and H. Tost",
   title  = "Stratospheric {SO}$_2$ and sulphate aerosol, model simulations
             and satellite observations",
   journal= "Atmos. Chem. Phys. Discuss.",
   volume = "13",
   number = "4", 
   pages  = "11,395-11,425",
   doi    = "10.5194/acpd-13-11395-2013",
   year   = "2013"   }