@article{LOPEZ-PUERTAS05_GRL,
   author = "M. L{\'o}pez-Puertas and M. E. Koukouli and B. Funke and
             S. Gil-L{\'o}pez and N. Glatthor and U. Grabowski and
             T. von Clarmann and G. P. Stiller",
   title  = "Evidence for {CH}$_4$ 7.6~$\mu$m non--local thermodynamic
             equilibrium emission in the mesosphere",
   journal= "Geophys. Res. Lett.",
   volume = "32",
   eid    = "L04805",
   doi    = "10.1029/2004GL021641",
   year   = "2005"   }