@article{RISI12_JGR_1,
   author = "C. Risi and D. Noone and J. Worden and C. Frankenberg and
             G. Stiller and M. Kiefer and B. Funke and K. Walker and
             P. Bernath and M. Schneider and D. Wunch and V. Sherlock and
             N. Deutscher and D. Griffith and P. Wennberg and K. Strong and
             D. Smale and E. Mahieu and S. Barthlott and F. Hase and
             O. Garc{\'{i}}a and J. Notholt and T. Warneke and G. Toon and
             D. Sayres and S. Bony and J. Lee and D. Brown and R. Uemura
             and C. Sturm",
   title  = "Process-evaluation of tropospheric humidity simulated by general
             circulation models using water vapor isotopologues: 1.
             {C}omparison between models and observations",
   journal= "J. Geophys. Res.",
   volume = "117",
   number = "D5",
   eid    = "D05303",
   doi    = "10.1029/2011JD016621",
   year   = "2012"   }