@article{AZAM12_AMT,
   author = "F. Azam and K. Bramstedt and A. Rozanov and K. Weigel and
             H. Bovensmann and G. P. Stiller and J. P. Burrows",
   title  = "{SCIAMACHY} lunar occultation water vapor measurements:
             retrieval and validation results",
   journal= "Atmos. Meas. Tech.",
   volume = "5",
   pages  = "2499-2513",
   doi    = "10.5194/amt-5-2499-2012",
   year   = "2012"   }