@article{STILLER02_JQSRT,
   author = "G. P. Stiller and T. von Clarmann and B. Funke and N. Glatthor
             and F. Hase and M. H{\"o}pfner and A. Linden",
   title  = "Sensitivity of trace gas abundances retrievals from
             infrared limb emission spectra to simplifying approximations
	     in radiative transfer modelling",
   journal= "J. Quant. Spectrosc. Radiat. Transfer",
   volume = "72",
   number = "3",
   pages  = "249-280",
   year   = "2002"   }