@article{DBLP:journals/envsoft/ElbernSTE00,
  author    = {Hendrik Elbern and
               H. Schmidt and
               O. Talagrand and
               Adolf Ebel},
  title     = {4D-variational data assimilation with an adjoint air quality
               model for emission analysis},
  journal   = {Environmental Modelling and Software},
  volume    = {15},
  number    = {6-7},
  year      = {2000},
  pages     = {539-548},
  ee        = {http://dx.doi.org/10.1016/S1364-8152(00)00049-9},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}