@article{HEGGLIN13_JGR,
    author = "M. I. Hegglin and S. Tegtmeier and J. Anderson and L.  Froidevaux
              and R. Fuller and B. Funke and A. Jones and G.  Lingenfelser and
              J. Lumpe and D. Pendlebury and E. Remsberg and A. Rozanov and
              M. Toohey and J. Urban and T. von Clarmann and K. A.  Walker and
              R. Wang and K. Weigel",
    title  = "{SPARC D}ata {I}nitiative: {C}omparison of water vapor
              climatologies from international satellite limb sounders",
    journal= "J. Geophys. Res. Atmos.",
    volume = "118",
    number = "20",
    doi    = "10.1002/jgrd.50752",
    pages  = "11,824-11,846",
    year   = "2013"   }